Patricia Calton (née Yeldon; 19 September 1948 – 29 May 2005) was a British Liberal Democrat politician who served as Member of Parliament (MP) for Cheadle in Greater Manchester. She was first elected at the 2001 general election, with a 33-vote majority over the sitting Conservative MP Stephen Day. She held her seat in the 2005 general election with a majority of 4,020 votes over Stephen Day, despite being too ill with cancer to campaign personally. She died less than four weeks later, although she was sworn in as an MP five days before her death. She also stood at the 1992 general election and the 1997 general election. She had previously been a deputy leader of Stockport Metropolitan Borough Council. She is, to date, the only Liberal Democrat MP to have died in office since the party's