A piezoelectric film is provided that is represented by the following general formula: Pb.sub.1-b[((X.sub.1/3Nb.sub.2/3).sub.1-cB'.sub.c).sub.1-aY.sub.a]O.sub.3 wherein X is at least one of Mg, Zn and Ni; B' is at least one of Zr, Ti and Hf; Y is at least one of V, Nb, Ta, Cr, Mo and W; a satisfies 0.05.ltoreq.a<0.30; b satisfies 0.025.ltoreq.b.ltoreq.0.15; when X is Mg, c satisfies 0.25.ltoreq.c.ltoreq.0.35; when X is Ni, c satisfies 0.30.ltoreq.c.ltoreq.0.40; and when X is Zn, c satisfies 0.05.ltoreq.c.ltoreq.0.15.