John Spencer John Spencer can refer to different people: John Spencer (1946-2005) was an American actor in television series including L.A. Law and The West Wing. John Spencer is the former Republican mayor of Yonkers, New York from 1995 to 2003 who has announced on June 1, 2005 his intention to run for the United States Senate against Hillary Rodham Clinton in 2006. John Spencer is a former Scottish football player. John Spencer is an English snooker player. John Spencer is a Dutch singer. John Poyntz Spencer, 5th Earl Spencer (1835-1910) was a British politician. John Spencer, 3rd Earl Spencer (1782-1845) was a British politician. John C. Spencer (1788-1855) American politician see also: Jon Spencer