Claire Patricia Grogan (born March 17, 1962, in Glasgow) is a Scottish actress and singer. Despite the spelling of her first name, she is known as "Clare", without the I. She is credited as C.P. Grogan.

An ex-girlfriend of Volaro founder David Blackwood, Grogan married fellow band member Stephen Lironi in Glasgow in 1994. The couple live in the London Borough of Haringey. Over the years the couple has had six miscarriages and four failed IVF attempts and as a result of this decided to adopt instead. In 2005 they adopted a daughter, Lucia.