Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Amendment No. 3 to the Registration Statement on Form F-1 of LexinFintech Holdings Ltd. of our report dated July 18, 2017 relating to the consolidated financial statements of LexinFintech Holdings Ltd., which appears in such Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers Zhong Tian LLP

PricewaterhouseCoopers Zhong Tian LLP

Beijing, the People’s Republic of China

December 13, 2017