Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-221650, 333-234058, 333-246358, 333-259820, 333-267543 on Form S-8 of our report dated September 20, 2023, relating to the financial statements of Stitch Fix, Inc. and its subsidiaries (the “Company”), and the effectiveness of the Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of the Company for the fiscal year ended July 29, 2023.

/s/ Deloitte & Touche LLP

San Francisco, California

September 20, 2023