Exhibit 15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-199133 and No. 333-214595) of Alibaba Group Holding Limited of our report dated June 15, 2017 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 20-F.

/s/ PricewaterhouseCoopers
PricewaterhouseCoopers
Hong Kong, June 15, 2017