Harlem Yu (traditional Chinese: 庾澄慶; simplified Chinese: 庾澄庆; pinyin: Yǔ Chéngqìng; Pe̍h-ōe-jī: Jú Têng-khèng; born 28 July 1961) is a Taiwanese singer-songwriter, television host and businessman. He has been hosting television shows in Taiwan since 1994 and in China since 2011, and served as a coach for three seasons of The Voice of China and three seasons of Sing! China.

Yu's debut album, The Sorrowful Singer, was released in 1986, and became known as one of the first artists in the Mandopop music industry to experiment with R&B and rap. He is also known for singing the theme song, Qing Fei De Yi (情非得已), for the 2001 television drama, Meteor Garden. He made a cameo in both the original version and the 2018 remake, performing Qing Fei De Yi.

Apart from music, Yu also hosts television variety shows. He won the Golden Bell Award for Best Variety Show Host twice for his work on Super Sunday and the Golden Bell Award for Best Educational and Reality Show Host for Let's Ride, Harlem's Squad. He has also hosted three Golden Melody Awards ceremonies.

As a businessman, his investments include: mega force studio, AoBa Taiwanese cuisine restaurant, Legacy Taipei (Livehouse).^{[citation needed]}