EXHIBIT 23.0

We consent to the incorporation by reference in First Savings Financial Group, Inc.’s Registration Statements on Form S-8 (File Nos. 333-154417, 333-166430, 333-211554, and 333-260585) of our report dated December 14, 2021 relating to the consolidated financial statements and effectiveness of internal control over financial reporting contained in this Annual Report on Form 10-K for the year ended September 30, 2021.

/s/ Monroe Shine & Co., Inc.

New Albany, Indiana

December 14, 2021