Exhibit 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements:
Form S-4No. 333-236885L3Harris Technologies, Inc. Offer to Exchange
Form S-3No. 333-233827L3Harris Technologies, Inc. Debt and Equity Securities
Form S-4/ANo. 333-228829Harris Corporation Shares of Common Stock
Form S-8No. 333-232482L3 Technologies, Inc. Amended and Restated 2008 Long Term Performance Plan; L3 Technologies, Inc. Master Savings Plan; and Aviation Communications & Surveillance Systems 401(k) Plan
Form S-8No. 333-222821Harris Corporation Retirement Plan
Form S-8  No. 333-192735  Harris Corporation Retirement Plan
Form S-8No. 333-163647Harris Corporation Retirement Plan
Form S-8No. 333-75114Harris Corporation Retirement Plan
Form S-8  No. 333-130124  Harris Corporation 2005 Equity Incentive Plan
Form S-8  No. 333-207774  L3Harris Technologies, Inc. 2015 Equity Incentive Plan

of our reports dated February 25, 2022, with respect to the consolidated financial statements of L3Harris Technologies, Inc. and the effectiveness of internal control over financial reporting of L3Harris Technologies, Inc. included in this Annual Report (Form 10-K) of L3Harris Technologies, Inc. for the year ended December 31, 2021.

/s/ Ernst & Young LLP
Orlando, Florida
February 25, 2022