Dime Community Bancshares 10-Q 2017 Q3 Quarterly report

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q (the "Report") for the period ended September 30, 2017 of Dime Community Bancshares, Inc., (the "Company") as filed with the Securities and Exchange Commission on the date hereof, I, Kenneth J. Mahon, Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

November 7, 2017

Date

By:	/s/ KENNETH J. MAHON
	Kenneth J. Mahon
	President and Chief Executive Officer