Yoko Ono/Plastic Ono Band is the debut solo studio album by Japanese artist and musician Yoko Ono, released on Apple Records in December 1970 alongside her husband's album John Lennon/Plastic Ono Band. The album features Ono's vocal improvisations accompanied by the Plastic Ono Band, with the exception of "AOS", on which she is backed by the Ornette Coleman Quartet.

Yoko Ono is a Japanese multimedia artist, singer, songwriter, and peace activist. Her work also encompasses performance art and filmmaking.