Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the reference to our firm under the caption “Experts” and to the use of our report dated February 8, 2019 (except for Note 14, as to which the date is February 22, 2019), in Amendment No. 1 to the Registration Statement (Form S-1 No. 333-229590) and related Prospectus of ShockWave Medical, Inc. for the registration of shares of its common stock.

/s/ Ernst & Young LLP

San Jose, California

February 22, 2019