Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of ONEOK, Inc. of our report dated February 25, 2025, relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in ONEOK, Inc.’s Annual Report on Form 10-K for the year ended December 31, 2024. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
| /s/ PricewaterhouseCoopers LLP |
| Tulsa, Oklahoma |
| June 3, 2025 |
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