Admetus or Admetos () may refer to:
Mythology Admetus, mythological king of Pherae in Thessaly Admetus, son of Augeas
People Admetus (epigrammatist), 2nd-century Greek poet Admetus of Epirus (before 450 BC), king of the Molossians Admetus of Macedon (died 332 BC), General of Alexander the Great
Other uses Admetus (horse), a French-bred Thoroughbred racehorse Admeto, an opera of Handel