Louise Marion Jameson is an English actress with a variety of television and theatre credits. Her roles on television have included playing Leela in Doctor Who, Anne Reynolds in The Omega Factor (1979), Blanche Simmons in Tenko (1981–1982), Susan Young in Bergerac (1985–1990), Rosa di Marco in EastEnders (1998–2000) and Mary Goskirk in Emmerdale (2022–present).

Leela is a fictional character played by Louise Jameson in the long-running British science fiction television series Doctor Who. She was a companion of the Fourth Doctor and a regular in the programme from 1977 to 1978. Leela appeared in nine stories.