Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement on Form S-8 of our report relating to the consolidated financial statements of Varonis Systems, Inc. (the “Company”), appearing in the Annual Report on Form 10-K of the Company for the year ended December 31, 2017, filed with the Securities and Exchange Commission.

Tel Aviv, Israel	/s/ Kost Forer Gabbay & Kasierer
January 22, 2019	Kost Forer Gabbay & Kasierer
	A Member of Ernst & Young Global