Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated March 16, 2026, relating to the financial statements of Alto Neuroscience, Inc. appearing in the Annual Report on Form 10-K of Alto Neuroscience, Inc. for the year ended December 31, 2025. 

/s/ Deloitte & Touche LLP

Chicago, IL

March 16, 2026