Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated February 28, 2018 (May 9, 2018, as to the effects of the reclassification adjustments due to the adoption of new accounting guidance discussed in Note 1), relating to the consolidated financial statements and financial statement schedule of Rowan Companies plc and subsidiaries (the "Company") (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the Company's adoption of Accounting Standards Update No. 2016-16, Income Taxes (ASC 740): Intra-Entity Transfers of Assets Other than Inventory) and our report dated February 28, 2018, related to the effectiveness of the Company's internal control over financial reporting, appearing in the Current Report on Form 8-K of the Company dated May 9, 2018, and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement.

/s/ Deloitte & Touche LLP 

Houston, Texas 

May 11, 2018