Sean Taro Ono Lennon (Japanese: 小野 太郎, Hepburn: Ono Tarō, born October 9, 1975) is an American actor, musician, singer and writer.

Lennon was born on October 9, 1975 at New York Hospital in New York City, He is the son of John Lennon and his second wife Yoko Ono. He is Japanese on his mother's side and English, Welsh and Irish on his father's side. This makes him Eurasian. He has the same birthday as his father.

Lennon is currently dating model/musician Charlotte Muel. Lennon had been engaged to musican Bijou Phillips.