Colette O'Neil
- Born
- 18 November 1935
- Died
- 11 July 2021 (aged 85)
- Place of birth
- Glasgow, Scotland, UK
- Birth name
- Mary Irene Colette McCrossan
- Height
- 164 cm
- Known for
- Actor
Colette O'Neil was born on 18 November 1935 in Glasgow, Scotland, UK. She was an actress, known for Mortdecai (2015), Couples (1975) and Bad Girls (1999). She was married to Michael Ellis. She died on 11 July 2021 in Glasgow, Scotland, UK.
