Theodore may refer to:
Places Theodore, Australian Capital Territory, Australia Theodore, Queensland, Australia Theodore, Saskatchewan, Canada Theodore, Alabama, United States Theodore Reservoir, in Saskatchewan
People Theodore (given name), including a list of people with the name Theodore (surname), including a list of people with the name
Other uses Theodore (horse), a British Thoroughbred racehorse Theodore Racing, a Formula One constructor
See also Theodoros, or Theodorus Principality of Theodoro, a former principality in Crimea Thoros (disambiguation), Armenian for Theodore