Yoko Ono Lennon (小野 洋子 Ono Yōko; however, in Japan her name is generally renered in katakana as オノ・ヨーコ rather than in kanji), born in Tokyo on February 18, 1933, is a Japanese artist and musician. She is known for her work as an avant-garde artist and musician, and her marriage and works with musician John Lennon.