Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-1 (No. 333-280603) of the Invesco DB US Dollar Index Bearish Fund (a series of the Invesco DB US Dollar Index Trust) of our report dated February 27, 2026 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP
Chicago, Illinois
February 27, 2026