Provided is a biological sound measurement device capable of suppressing an occurrence of a rubbing noise and improving a measurement accuracy. The biological sound measurement device (1) includes a sound measurement unit (3) including a contact surface (30) configured to be brought into contact with the body surface S of a subject, and a gripping portion (10) supporting the sound measurement unit (3) and configured to be gripped by a measurer. At least a first region of a front surface of the gripping portion (10), excluding a region to be covered by a hand Ha of the measurer in a state in which the gripping portion (10) is gripped by the measurer, is a region not including an angular portion.