The name Pia is the feminine version of Pius, meaning pious, dutiful. The name is English, Italian, Scandinavian, Polish, Late Roman, Pakistani and Indian.Pia could refer to
Pia , a land in M?ori mythology
Pia Observatory in Trieste, Italy
Pia, France, a French commune
Pia mater, a layer of the meninges in the brain
Also see PIA.