Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

ReShape Lifesciences, Inc.

San Clemente, California

We hereby consent to the incorporation by reference in the Prospectus constituting a part of this Registration Statement on Form S-8 of Reshape Lifesciences, Inc. of our report dated April 8, 2022, except for the effect of the one-for-fifty reverse stock split discussed in Note 2 as to which the date is January 12, 2023 and the impact of the restatement discussed in Note 2 as to which the date is April 17, 2023, relating to the consolidated financial statements, which appears in this Form 10-K.

/s/ BDO USA, LLP

Costa Mesa, California 

June 23, 2023