Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors

SmartFinancial, Inc.:

We consent to the incorporation by reference in the registration statements on Form S-8 (Nos. 333-219159, 333-203449, 333-208819, 333-131006, and 333-113314) and Form S-3 (Nos. 333-214802, 333-208700) of SmartFinancial, Inc., of our reports dated March 18, 2019, with respect to the 2018 consolidated financial statements of SmartFinancial, Inc. and Subsidiary and the effectiveness of internal control over financial reporting, which reports appear in SmartFinancial, Inc.’s 2018 Annual Report on Form 10-K.

/s/ Dixon Hughes Goodman LLP

Atlanta, Georgia

March 18, 2019