Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Registration Statement on Form S-1, Amendment No. 2, of our report dated January 11, 2021, relating to financial statements of Hennessy Capital Investment Corp. V as of December 31, 2020, and for the period from October 6, 2020 (inception) through December 31, 2020, and to the reference to our Firm under the caption “Experts” in the Prospectus.

/s/ WithumSmith+Brown, PC

New York, New York

January 11, 2021