Wu Lei (simplified Chinese: 吴磊, born December 26, 1999), also known as Leo Wu, is a Chinese actor. He made his first appearance in numerous commercials since 2002 and officially began his career by appearing in the drama series The Legend and the Hero in 2005. Consequently, he has been known as "China’s Little Brother" according to his various roles since childhood. In 2018, he was ranked first place nationwide on the performance arts entrance exams at the Beijing Film Academy. He is known for films and drama series such as Adoring (2019), Cross Fire (2020), The Long Ballad (2021), Our Times (2021), Upcoming Summer (2021), Love Like the Galaxy (2022), and Nothing But You (2023).