An attachment for an ultrasonic probe is adapted to be mounted onto an ultrasonic probe body of the ultrasonic probe. The attachment for an ultrasonic probe includes a cover member and a protective member. The cover member is configured and arranged to cover an ultrasonic wave emission surface of a head section of the ultrasonic probe body when the attachment is mounted onto the ultrasonic probe body. The protective member is provided to a surface of the cover member facing the ultrasonic wave emission surface, and configured and arranged to be in contact with the ultrasonic wave emission surface when the attachment is mounted onto the ultrasonic probe body.
