Clio \c-lio\ as a girl's name is pronounced KLY-oh. It is of Greek origin. From Kleio, mythological name of the muse of historical poetry. Probably linked with the word "kleos" meaning "glory". There are nine muses, the daughters of Zeus and Mnemosyne, and each represents an art or science. Calliope (epic poetry), Terpsichore (choral song and dance), and Thalis (comedy) have survived as given names. Some times used as a variant of Cleo.
Clio has 1 variant form: Klio.
For more information, see also the related name Clea.