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-3 (Nos. 333-91827, 333-39436, 333-48930, 333-70858, 333-75590 and 333-185491) and Form S-8 (Nos. 333-39423, 333-62465, 333-70339, 333-81911, 333-81909, 333-90301, 333-91313, 333-96481, 333-36114, 333-40696, 333-46846, 333-50176, 333-50502, 333-53642, 333-55182, 333-55560, 333-55796, 333-58718, 333-74226, 333-99745, 333-110497, 333-125647, 333-128737, 333-139182, 333-149399, 333-185492, 333-201893 and 333-209482) of Viavi Solutions Inc. of our report dated August 29, 2017 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PRICEWATERHOUSECOOPERS LLP

San Jose, California

August 29, 2017