Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the inclusion in this Registration Statement on Form S-8 of our report dated March 31, 2025, of Expion360, Inc. relating to the audit of the financial statements for the period ending December 31, 2024 and 2023 and the reference to our firm under the caption “Experts” in the Registration Statement.

/s/ M&K CPAS, PLLC              

www.mkacpas.com

The Woodlands, Texas

August 6, 2025