Robert Whitaker
Robert Whitaker or Whittaker may refer to:
- Robert Whittaker (fighter), Australian mixed martial artist
- Robert Whitaker (equestrian), British showjumper
- Robert Whitaker (author), American author
- Robert Whitaker (surgeon), British author, surgeon and anatomist
- Robert Whitaker (photographer), British photographer
- Robert Whittaker (cricketer), English cricketer
- Robert Whittaker (American football), American football player and coach
- Robert Whittaker (ecologist), American vegetation ecologist
- Robert Whittaker (British Army officer), British Army major
- Robert Whitaker (minister), Baptist minister and political activist
- Robert H. Whittaker (politician), American member of the Virginia House of Delegates