A thermal printer (13) includes: a thermal head (21) configured to perform printing on recording paper (P); a platen roller (23), which is arranged at a position opposed to the thermal head (21), and is configured to convey the recording paper (P) by nipping the recording paper (P) between the thermal head (21) and the platen roller (23); a head support plate (71) having conductivity, which has the thermal head (21) to be fixed thereto; a frame (30), which is configured to support the head support plate (71), and includes a shaft support portion (90) configured to rotatably support the platen roller (23) about an axis; and a conductive member (80, 180, 280) having conductivity, which is provided between a side surface of the shaft support portion (90) and the head support plate (71).