Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the Zenprise Inc. Second Amended and Restated 2004 Stock Option/Stock Issuance Plan of our reports dated February 21, 2013, with respect to the consolidated financial statements and schedule of Citrix Systems, Inc. and the effectiveness of internal control over financial reporting of Citrix Systems, Inc. included in its Annual Report (Form 10-K) for the year ended December 31, 2012, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

Certified Public Accountants

Boca Raton, Florida

February 21, 2013