Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We have issued our report dated February 26, 2018, with respect to the consolidated financial statements included in the Annual Report of Tactile Systems Technology, Inc. on Form 10-K for the year ended December 31, 2017. We consent to the incorporation by reference of said report in the Registration Statements of Tactile Systems Technology, Inc. on Form S-3 (file No. 333-220132) and Forms S-8 (file No. 333-216278 and file No. 333-212704). 

/s/ Grant Thornton LLP

Minneapolis, Minnesota

February 26, 2018