William Ramsey
William or Bill Ramsey may refer to:
- William Marion Ramsey (1846–1937), American politician and judge in Oregon
- William of Ramsey, 13th-century English Benedictine monk of Croyland Abbey
- William Ramsey (architect) (died 1349), English architect
- William Ramsey (Pennsylvania) (1779–1831), United States Congressman from Pennsylvania
- Bill Ramsey (rugby league), British rugby league footballer
- William Sterrett Ramsey (1810–1840), United States Congressman from Pennsylvania
- Bill Ramsey (baseball) (1920–2008), Major League Baseball outfielder
- Bill Ramsey (singer) (William McCreery Ramsey, born 1931), German-American jazz and pop singer
- Bill Ramsey (athlete) (born in 1928), Australian Olympian