Lisa Maria Geoghan (born 1 June 1966 in Southwark, London) is an English actress best known for playing PC/CAD Officer Polly Page in the long-running police drama The Bill from 1992 to 2004. Geoghan also had a guest appearance in the series in late 1991. She also appeared in Tucker's Luck as Sarah Gill, Big Deal (with Ray Brooks) and Desmond's.

Geoghan was trained at the Anna Scher Theatre School and acted at the Old Vic Youth Theatre between 1978 and 1980.