The name Pia is the feminine version of Pius, meaning pious, dutifull. The name is English, Italian, Scandinavian, Polish, Late Roman. In the Punjabi and Hindi languages it means beloved or loved one...it is a female name as well.

Pia could refer to:

• Pia Observatory in Trieste, Italy
• Pia, France, a French commune
• Pia mater, a layer of the meninges in the brain

The initials PIA could refer to:

• PIA, the ICAO code for Pakistan International Airlines
• PIA, the IATA code for the Greater Peoria Regional Airport near Peoria, Illinois