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. 333-36246, No. 333-47720, No. 333-107359, No. 333-129460, No. 333-144890 and No. 333-169201) and Form F-3 (No. 333-163990) of SINA Corporation of our report dated April 22, 2013 relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 20-F.

/s/ PricewaterhouseCoopers Zhong Tian CPAs Limited Company

PricewaterhouseCoopers Zhong Tian CPAs Limited Company

Beijing, the People’s Republic of China

April 22, 2013

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