Beesly is a surname. Notable people with the surname include:Edward Spencer Beesly (1831–1915), English positivist and historian Richard Beesly (1907–1965), British rower who won an Olympic gold medal at the 1928 Summer Olympics Patrick Beesly (1913–1986), British author and intelligence officer during World War II Pam Beesly, a fictional character on the U.S. television sitcom The Office, played by Jenna Fischer