All over the world, كليو (Cleo 
, Clio 
, Cléo 
) is a common mostly female, but infrequently male first name. The first name كليو is habitual in the United States, where it is quite a rare dominantly feminine, but infrequently male name, Bahamas, where it is quite a rare feminine name, and Cyprus. Measured by absolute frequency, the name is most common in the United States, Brazil, and Philippines. Much less frequently, كليو is the last name as well as the forename.
كليو is also a popular name for the fictitious and mythical characters: Clio , the Greek mythological person, muse of history or of lyre playing, daughter of Zeus and the Titaness Mnemosyne; Cleo Sertori , character in H₂O: Just Add Water; Clio , the character from Disney's Hercules; Cleo , the fictional goldfish from Disney's "Pinocchio" and Cleo Finch , the fictional character, and in many other works.