Adeodatus or Adeodato are given names meaning "given by God". Notable people with these names include:

• Pope Adeodatus I (also known as Pope Deusdedit I), pope from 614 to 618
• Pope Adeodatus II (sometimes referred to as Pope Adeodatus I), pope from 672 to 676
• Deodatus of Nevers (died 679), saint and Bishop of Nevers, also called Adeodatus
• Adeodatus (372–388), son of Augustine of Hippo
• Adeodato Giovanni Piazza (1884–1957), Italian friar and cardinal
• Guglielmo Adeodato (died 1540), Italian bishop
• Adeodato Malatesta (1806–1891), Italian painter
• Adeodato Barreto (1905–1937), Luso-Goan poet
• Adeodato López (1906–1957), Mexican footballer