An ultrasound transducer module includes: an ultrasound transducer configured to transmit and receive ultrasound； a substrate electrically connected with the ultrasound transducer and including a first wiring pad at a portion different from a connection portion with the ultrasound transducer； and a casing that includes an accommodation hole for accommodating the ultrasound transducer and the substrate and that includes a holding hole continued to the accommodation hole and capable of holding a portion of the substrate, the casing having a plurality of electrode pads provided on an outer surface of the casing and having a plurality of second wiring pads provided in the holding hole, each second wiring pad being electrically connected with a corresponding electrode pad among the plurality of electrode pads, and electrically connected with the first wiring pad.
