Exhibit 15.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-282475, 333-267701, 333-259682 and 333-226216) and Form F-3 (No. 333-269158) of Bilibili Inc. of our report dated March 25, 2025 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 20-F.

/s/ PricewaterhouseCoopers Zhong Tian LLP

Beijing, the People’s Republic of China

March 25, 2025