Cleonymus
Cleonymus or Kleonymos may refer to:
- Cleonymus of Athens Athenian general, cited by Aristophanes for his cowardice
- Cleonymus, son of great beauty of Sphodrias and aḯtas of King Archidamus III of Sparta
- Cleonymus of Sparta Spartan general and member of the royal family of the Agiads
- Cleonymus of Phlius tyrant of the city of Phlius who was convinced to resign his post by Aratus of Sicyon in 329 BC
- Cleonymus (wasp), an insect genus in the family Pteromalidae