Jack Henry & Associates (JKHY) 8-K Changes in Registrant's Certifying Accountant

December 10, 2015Exhibit 16.1

Securities and Exchange Commission

100 F Street, N. E.

Washington D.C. 20549-7561

Dear Sirs:

We have read Item 4.01 (a) and (b) of Jack Henry & Associates, Inc. Form 8-K dated December 7, 2015 and have the following comments:

1. We agree with the statements made in Paragraph 2, 3, 4, and 5.

2. We have no basis on which to agree or disagree with the statements made in Paragraph 1 and 6.

Very truly yours,

/s/ Deloitte & Touche LLP