Pia \pia\ as a girl's name is pronounced PEE-ah. It is of Latin origin, and the meaning of Pia is "pious, reverent". Singer/actress Pia Zadora.
For more information, see also the related name Piedad.
Baby names that sound like Pia are Bea and Pier. Other similar baby names are Gia, Kia, Lia, Mia, Nia, Pima, Ria, Tia, Xia and Zia.