Hosmer may refer to:
People Hosmer (surname)
Places Hosmer, South Dakota, United States Hosmer's Grove, Maui, Hawaii, United States Mount Hosmer (disambiguation) Hosmer, British Columbia, Canada
Other uses Charles Hosmer Morse Museum of American Art, a museum in Orange County, Florida Hosmer Mountain Soda, a soft-drink producer based in Connecticut Hosmer Angel, a fictional character in a Sherlock Holmes story by Sir Arthur Conan Doyle