Teresa Teng (sometimes spelled Teresa Tang or Teresa Deng; Chinese: 鄧麗君; pinyin: Dèng Lìjūn; Wade–Giles: Teng Li-chün; Japanese: テレサ・テン Teresa Ten; January 29, 1953 - May 8, 1995) was one of the most famous singers in East Asia.

She was born in Tianyang (田洋村), a village in Yunlin County, Taiwan, to a mainlander family originating from Hebei Province. She was educated at Ginling Girls High School, and commenced her professional singing career in 1967 with Universal Records.

She recorded several famous songs, including "When Will You Return?" (Chinese: 何日君再來; pinyin: Hérì Jūn Zàilái) and "The Moon Represents My Heart" (Chinese: 月亮代表我的心; pinyin: Yuèliàng Dàibiǎo Wǒ de Xīn). In addition to her Mandarin repertoire, she had also recorded songs in the Hokkien, Cantonese, Japanese, Indonesian (in 1977) and English.

Teng, a lifelong sufferer from asthma, died from a severe respiratory attack while on vacation in Thailand in 1995, at the age of 42.