Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S‑8 (Nos. 333-184506, 333-187730, 333-195078, 333-203094, 333-210405, 333-217037, and 333-224052) of Ambarella, Inc. of our report dated March 29, 2019 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

March 29, 2019