Maddison is both a surname and a given name. It is a variant spelling of Madison. Notable people with the name include:
Surname:
- Ada Maddison (1869–1950), British Mathematician
- Adela Maddison (1862–1929), British composer
- Angus Maddison (1926–2010), British economist
- Arden Maddison (1900–1987), English footballer
- Francis Maddison (1928–2006), English museum curator, historian and Arabist
- Fred Maddison (1856–1937), British trade unionist and politician
- Frederick Maddison (footballer) (1849–1907), English footballer
- George Maddison (disambiguation), multiple people
- Guy Maddison (born 1965), Australian bass guitar player
- James Maddison (born 1996), English footballer
- John Maddison (1921–1982), Australian politician
- Ken Maddison (born 1946), Australian rugby league footballer
- Lee Maddison (born 1972), English professional association footballer
- Neil Maddison (born 1969), English footballer
- Robbie Maddison (born 1981), Australian motorbike stunt rider
- Ronald Maddison (c. 1933 – 1953), Royal Air Force engineer
- Sarah Maddison, Australian author
- Tim Maddison, Australian rugby league footballer
- Wayne Maddison, an arachnologist
- William Maddison, British Olympic sailor
Given name: