Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S‑8 (Nos. 333-220397, 333-213220, 333-206472, 333-198714, 333-190735, 333-183517, 333-176272, 333-168322, 333-165534) of QuinStreet, Inc. of our report dated September 11, 2018 relating to the consolidated financial statements, financial statement schedules and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.

/s/ PricewaterhouseCoopers LLP
San Jose, California
September 11, 2018