Viking Therapeutics (VKTX) 10-K 2023 FY Annual report

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statements of Viking Therapeutics, Inc. on Form S-8 (FILE NO. 333-203810, 333-211270, 333-216857, 333-223503, 333-230247, 333-236666, 333-253219, 333-262609 and 333-269675) and on Form S-3 ASR (FILE NO. 333-373460) of our report dated February 7, 2024, with respect to our audits of the consolidated financial statements of Viking Therapeutics, Inc. as of December 31, 2023 and 2022 and for the years then ended and our report dated February 7, 2024 with respect to our audit of internal control over financial reporting of Viking Therapeutics, Inc. as of December 31, 2023, which reports are included in this Annual Report on Form 10-K of Viking Therapeutics, Inc. for the year ended December 31, 2023.

/s/ Marcum LLP

Marcum LLP

Costa Mesa, California

February 7, 2024