To provide an ultrasonic vibrator that restores itself to eliminate the need of repair even when a scanning surface is damaged, and can improve convenience, and to provide an ultrasonic endoscope.SOLUTION: An ultrasonic vibrator 10 includes: a plurality of piezoelectric elements 111 respectively emitting an ultrasonic wave corresponding to an input electrical signal and respectively converting an incident ultrasonic wave from outside into an electrical signal； and an external surface in which a material of a scanning surface SS for transmitting and receiving an ultrasonic wave is constituted of a self-restoration material.SELECTED DRAWING: Figure 3【課題】走査面が損傷しても自己修復により修理を不要とし、利便性の向上を図ることができる超音波振動子及び超音波内視鏡を提供する。【解決手段】超音波振動子１０は、入力した電気信号に応じて超音波をそれぞれ出射するとともに外部から入射した超音波を電気信号にそれぞれ変換する複数の圧電素子１１１と、超音波を送受信する走査面ＳＳの材料が自己修復性材料で構成された外表面とを備える。【選択図】図３
