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Exhibit 5.1

Our ref

SMC/743138-000006/86731633v3

TH International Limited
PO Box 309, Ugland House
Grand Cayman KY1-1104
Cayman Islands

27 March 2026

TH International Limited

We have acted as counsel as to Cayman Islands law to TH International Limited (the “Company”) in connection with an automatic shelf registration statement on Form F-3, including the related base prospectus and all amendments or supplements thereto (the “Registration Statement”, which term does not include any other document or agreement whether or not specifically referred to therein or attached as an exhibit or schedule thereto), originally filed with the U.S. Securities and Exchange Commission (the “Commission”) on the date hereof under the U.S. Securities Act of 1933, as amended (the “Securities Act”) allowing for offering from time to time of (i) up to US$30,000,000 of ordinary shares of a par value of US$0.0000469793497033866 per share in the capital of the Company (the “Ordinary Shares”) (the “Offer Shares”); and (ii) up to 82,107,312 Ordinary Shares (the “Resale Shares,” together with the Offer Shares, the “Shares”) by certain selling shareholders identified in the Registration Statement (each, a “Selling Shareholder”). This opinion letter is given in accordance with the terms of the Legal Matters section of the Registration Statement.

Documents Reviewed

We have reviewed originals, copies, drafts or conformed copies of the following documents:

1.1

The certificate of incorporation dated 25 April 2018 and the amended and restated memorandum and articles of association of the Company as adopted on 9 March 2022 with effect from 28 September 2022 (the “Memorandum and Articles”).

1.2

The written resolutions of the board of directors of the Company dated 27 March 2026 (the “Resolutions”).

1.3

The following corporate records of the Company maintained at its registered office in the Cayman Islands, each as at the date of this opinion:

(a)

(b)

1.4

A certificate of good standing with respect to the Company issued by the Registrar of Companies (the “Certificate of Good Standing”).

1.5

A certificate from a director of the Company a copy of which is attached to this opinion letter (the “Director’s Certificate”).

1.6

A copy of the register of members of the Company received on 26 March 2026 (the “Register of Members”).

1.7

The Registration Statement.

Assumptions

The following opinions are given only as to, and based on, circumstances and matters of fact existing and known to us on the date of this opinion letter. These opinions only relate to the laws of the Cayman Islands which are in force on the date of this opinion letter. In giving the following opinions, we have relied (without further verification) upon the completeness and accuracy, as at the date of this opinion letter, of the Director’s Certificate and the Certificate of Good Standing. We have also relied upon the following assumptions, which we have not independently verified:

2.1

Copies of documents, conformed copies or drafts of documents provided to us are true and complete copies of, or in the final forms of, the originals, and translations of documents provided to us are complete and accurate.

2.2

All signatures, initials and seals are genuine.

2.3

No invitation has been or will be made by or on behalf of the Company to the public in the Cayman Islands to subscribe for or purchase any of the Shares.

2.4

The completeness and accuracy of the Register of Members.

2.5

There is no contractual or other prohibition or restriction (other than as arising under Cayman Islands law) binding on the Company prohibiting or restricting it from entering into and performing its obligations under the Registration Statement.

2.6

No monies paid to or for the account of any party under the Registration Statement or any property received or disposed of by any party to the Registration Statement in each case in connection with the Registration Statement or the consummation of the transactions contemplated thereby represent or will represent proceeds of criminal conduct or criminal property or terrorist property (as defined in the Proceeds of Crime Act (As Revised) and the Terrorism Act (As Revised), respectively).

2.7

There is nothing under any law (other than the laws of the Cayman Islands) which would or might affect the opinions set out below. Specifically, we have made no independent investigation of the laws of the State of New York or the laws of the People’s Republic of China.

2.8

There is nothing contained in the minute book or corporate records of the Company (which, other than the corporate records set out in paragraphs 1.1 to 1.3 of this opinion letter, we have not inspected) which would or might affect the opinions set out below.

Save as aforesaid we have not been instructed to undertake and have not undertaken any further enquiry or due diligence in relation to the transaction the subject of this opinion letter.

Opinions

Based upon, and subject to, the foregoing assumptions and the qualifications set out below, and having regard to such legal considerations as we deem relevant, we are of the opinion that:

3.1

The Company has been duly incorporated as an exempted company with limited liability and is validly existing and in good standing with the Registrar of Companies under the laws of the Cayman Islands.

3.2

Based solely of our inspection of the Register of Members, each Selling Shareholder has valid title to its Shares and such Shares have been duly authorised, legally issued and are fully paid and non-assessable and there are no entries or notations indicating any third party interests, including any security interest as at the date hereof.

3.3

In the event of an offering by a Selling Shareholder, when transferred by such Selling Shareholder, the transfer thereof recorded in the register of members of the Company and paid for as described in the Registration Statement, any corresponding prospectus supplement and any underwriting agreement, the Shares will remain legally issued, fully paid and non-assessable.

Qualifications

The opinions expressed above are subject to the following qualifications:

4.1

To maintain the Company in good standing with the Registrar of Companies under the laws of the Cayman Islands, annual filing fees must be paid and returns made to the Registrar of Companies within the time frame prescribed by law.

4.2

Under Cayman Islands law, the register of members (shareholders) is prima facie evidence of title to shares and this register would not record a third party interest in such shares. However, there are certain limited circumstances where an application may be made to a Cayman Islands court for a determination on whether the register of members reflects the correct legal position. Further, the Cayman Islands court has the power to order that the register of members maintained by a company should be rectified where it considers that the register of members does not reflect the correct legal position. As far as we are aware, such applications are rarely made in the Cayman Islands, but if such an application were made in respect of the Shares, then the validity of such shares may be subject to re-examination by a Cayman Islands court.

4.3

In this opinion letter the phrase “non-assessable” means, with respect to the issuance of shares, that a shareholder shall not, in respect of the relevant shares and in the absence of a contractual arrangement, or an obligation pursuant to the memorandum and articles of association, to the contrary, have any obligation to make further contributions to the Company’s assets (except in exceptional circumstances, such as involving fraud, the establishment of an agency relationship or an illegal or improper purpose or other circumstances in which a court may be prepared to pierce or lift the corporate veil).

4.4

We express no opinion as to the meaning, validity or effect of any references to foreign (i.e. non-Cayman Islands) statutes, rules, regulations, codes, judicial authority or any other promulgations and any references to them in the Registration Statement.

We express no view as to the commercial terms of the Registration Statement or whether such terms represent the intentions of the parties and make no comment with regard to warranties or representations that may be made by the Company.

We hereby consent to the filing of this opinion letter as an exhibit to the Registration Statement and to the reference to our firm under the heading “Legal Matters” and “Enforcement of Judgments” in the prospectus included in the Registration Statement. In providing our consent, we do not thereby admit that we are in the category of persons whose consent is required under Section 7 of the Securities Act or the Rules and Regulations of the SEC thereunder.

The opinions in this opinion letter are strictly limited to the matters contained in the opinions section above and do not extend to any other matters. We have not been asked to review and we therefore have not reviewed any of the ancillary documents relating to the Shares and express no opinion or observation upon the terms of any such document.

This opinion letter is addressed to you and may be relied upon by you, your counsel and purchasers of Shares pursuant to the Registration Statement. This opinion letter is limited to the matters detailed herein and is not to be read as an opinion with respect to any other matter.

Yours faithfully

/s/ Maples and Calder (Cayman) LLP

Maples and Calder (Cayman) LLP

TH International Limited

PO Box 309, Ugland House

Grand Cayman KY1-1104

Cayman Islands

To:	Maples and Calder (Cayman) LLP

PO Box 309, Ugland House

Grand Cayman

KY1-1104

Cayman Islands

27 March 2026

TH International Limited (the “Company”)

I, the undersigned, being a director of the Company, am aware that you are being asked to provide an opinion letter (the “Opinion”) in relation to certain aspects of Cayman Islands law. Unless otherwise defined herein, capitalised terms used in this certificate have the respective meanings given to them in the Opinion. I hereby certify that:

The Memorandum and Articles remain in full force and effect and are unamended.

The Resolutions were duly passed in the manner prescribed in the Company’s memorandum and articles of association in effect at the time (including, without limitation, with respect to the disclosure of interests (if any) by directors of the Company) and have not been amended, varied or revoked in any respect.

The shareholders of the Company (the “Shareholders”) have not restricted the powers of the directors of the Company in any way.

The directors of the Company at the date of the Resolutions and at the date of this certificate were and are as follows: Gregory Armstrong, Paul Hong, Peter Yu, Haibing Wu, Rafael Odorizzi, Ho Cheung, Yongchen Lu and Thiago Santelmo.

The minute book and corporate records of the Company as maintained at its registered office in the Cayman Islands and made available to you are complete and accurate in all material respects, and all minutes and resolutions filed therein represent a complete and accurate record of all meetings of the Shareholders and directors (or any committee thereof) of the Company (duly convened in accordance with the Memorandum and Articles) and all resolutions passed at the meetings or passed by written resolution or consent, as the case may be.

The Company has not entered into any mortgages or charges over its property or assets other than those entered in the register of mortgages and charges of the Company.

Prior to, at the time of, and immediately following the approval of the transactions contemplated by the Registration Statement, the Company was, or will be, able to pay its debts as they fell, or fall, due and has entered, or will enter, into the transactions contemplated by the Registration Statement for proper value and not with an intention to defraud or wilfully defeat an obligation owed to any creditor or with a view to giving a creditor a preference.

Each director of the Company considers the transactions contemplated by the Registration Statement to be of commercial benefit to the Company and has acted in good faith in the best interests of the Company, and for a proper purpose of the Company, in relation to the transactions which are the subject of the Opinion.

To the best of my knowledge and belief, having made due inquiry, the Company is not the subject of legal, arbitral, administrative or other proceedings in any jurisdiction and neither the directors nor Shareholders have taken any steps to have the Company struck off or placed in liquidation. Further, no steps have been taken to wind up the Company or to appoint restructuring officers or interim restructuring officers, and no step has been taken to appoint a receiver in relation to any of the Company’s property or assets.

To the best of my knowledge and belief, having made due inquiry, there are no circumstances or matters of fact existing which may properly form the basis for an application for an order for rectification of the register of members of the Company.

The Registration Statement has been, or will be, authorised and duly executed and delivered by or on behalf of all relevant parties in accordance with all relevant laws.

No invitation has been made or will be made by or on behalf of the Company to the public in the Cayman Islands to subscribe for any of the Shares.

The Shares to be offered pursuant to the Registration Statement have been, or will be, duly registered, and will continue to be registered, in the Company’s register of members (shareholders).

I confirm that you may continue to rely on this certificate as being true and correct on the day that you issue the Opinion unless I shall have previously notified you in writing personally to the contrary.

Signature:	/s/ Yongchen Lu
Name:	Yongchen Lu
Title:	Director & CEO