Demetrio may refer to:
* Demetrio, a variant of the name
Demetrius
*
''Demetrio'' (Metastasio), an opera libretto in three acts by Pietro Metastasio
*
''Demetrio'' (1773), set by Josef Mysliveček
*
''Demetrio'' (1779), reset by Josef Mysliveček
*
''Demetrio'' (Mayr), set by Simon Mayr
See also
*
Demetrius (disambiguation)
*
San Demetrio (disambiguation)
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