Exhibit 23.1


Consent of Independent Registered Public Accounting Firm


We consent to the incorporation by reference in Registration Statement No. 333-233979, 333-236893, 333-253375, 333-261964, and 333-263133 on Form S-8 of our reports dated March 13, 2023, relating to the financial statements of Oportun Financial Corporation and subsidiaries and the effectiveness of Oportun Financial Corporation and subsidiaries’ internal control over financial reporting appearing in this Annual Report on Form 10-K for the year ended December 31, 2022.

/s/ DELOITTE & TOUCHE LLP

San Francisco, CA
March 13, 2023