A turbocharger includes: a bearing; a casing for accommodating the bearing; and a first thermometer including a first temperature sensor for measuring temperature of lubricant oil. The casing includes a lubricant oil discharge part having a lubricant oil outlet for discharging the lubricant oil from the turbocharger. The lubricant oil discharge part includes a lubricant oil storage part for storing the lubricant oil. The first temperature sensor is disposed in the lubricant oil storage part.