Dolapo Oni, sometimes referred as Marcy Dolapo Oni is a Nigerian actress, TV presenter, mentor and MC. Oni is the youngest of four children of her family.

She spent 20 years living in the United Kingdom before she returned to Nigeria in 2010. As a 10 year old, she wanted to be an actress after she saw Andrew Lloyd Webber's musical, Aspects of Love, at The Oxford Playhouse. She had her secondary education at Headington School, a girls' fee-paying school in Oxford, England, where she was the first black head girl.