EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the reference to our firm under the captions “Selected Consolidated Financial Data” and “Experts” and to the use of our report dated June 21, 2006 in the Registration Statement (Form S-1 No. 333-133532) and related Prospectus of LeMaitre Vascular, Inc. for the registration of shares of its common stock.

/s/ Ernst & Young LLP

Boston, Massachusetts

June 21, 2006