An ultrasound probe includes a piezoelectric section to transmit and receive ultrasound, wherein the piezoelectric section includes a plurality of laminated piezoelectric layers each of which includes piezoelectric members and non-piezoelectric members both of which are arranged alternately in parallel to each other in an arrangement direction, and wherein the arrangement direction of the piezoelectric members and the non-piezoelectric members in at least one piezoelectric layer of the plurality of laminated piezoelectric layers is different from that in other one piezoelectric layer of the plurality of laminated piezoelectric layers.