Geoffrey Baker, English Field Marshal and Chief of the General Staff of the British Army (b. 1920)
Geoffrey or Geoff Baker may refer to:
Geoffrey Baker (British Army officer) (1912–1980), head of the British Army
Geoffrey Baker (cricketer) (born 1970), New Zealand cricketer
Geoffrey Baker (rower), English rower
Geoff Baker (journalist) (born 1968), Canadian-born journalist
Geoff Baker (politician) (born 1969), member of the Western Australian Legislative Assembly