A thermal printer (1, 100), comprising: a platen roller; a thermal head arranged so as to oppose to the platen roller; a head support plate (46, 101) configured to hold and fix the thermal head; a frame including a roller support portion (38, 42) configured to support the platen roller so as to be rotatable about a first direction; a turn support portion (72, 102) configured to support the head support plate (46, 101) so as to be turnable about the first direction; and an urging member configured to urge the head support plate (46, 101) in a direction in which the thermal head approaches the platen roller about the first direction, the head support plate (46, 101) extending in a second direction intersecting the first direction, the thermal head being fixed to an opposed surface of the head support plate (46, 101), which is in a first region located on one side in the second direction with respect to the turn support portion (72, 102), and is opposed to the platen roller in the first direction, the urging member being interposed between the opposed surface of the head support plate (46, 101) in a second region, which is located on another side in the second direction with respect to the turn support portion (72, 102) and an urging member support portion of the frame, and characterized by the urging member support portion being opposed to the opposed surface in a third direction intersecting the second direction as viewed from the first direction, wherein the head support plate (46, 101) is bent in a direction in which an urged portion side of the head support plate (46, 101) separates from the urging member support portion in the third direction. a platen roller; a thermal head arranged so as to oppose to the platen roller; a head support plate (46, 101) configured to hold and fix the thermal head; a frame including a roller support portion (38, 42) configured to support the platen roller so as to be rotatable about a first direction; a turn support portion (72, 102) configured to support the head support plate (46, 101) so as to be turnable about the first direction; and an urging member configured to urge the head support plate (46, 101) in a direction in which the thermal head approaches the platen roller about the first direction, the head support plate (46, 101) extending in a second direction intersecting the first direction, the thermal head being fixed to an opposed surface of the head support plate (46, 101), which is in a first region located on one side in the second direction with respect to the turn support portion (72, 102), and is opposed to the platen roller in the first direction, the urging member being interposed between the opposed surface of the head support plate (46, 101) in a second region, which is located on another side in the second direction with respect to the turn support portion (72, 102) and an urging member support portion of the frame, and characterized by the urging member support portion being opposed to the opposed surface in a third direction intersecting the second direction as viewed from the first direction, wherein the head support plate (46, 101) is bent in a direction in which an urged portion side of the head support plate (46, 101) separates from the urging member support portion in the third direction.