Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-199728, 333-199731, and 333-214233 on Form S-8 of our report dated August 27, 2020, relating to (1) the consolidated financial statements of Kimball Electronics, Inc. and subsidiaries which report expresses an unqualified opinion, and (2) the effectiveness of Kimball Electronics, Inc. and subsidiaries’ internal control over financial reporting, appearing in the Annual Report on Form 10-K of Kimball Electronics, Inc. for the year ended June 30, 2020.

/s/ Deloitte & Touche LLP

DELOITTE & TOUCHE LLP

Indianapolis, Indiana

August 27, 2020