Provided is a male snap button (10) including a metal male snap body (20), and a fixing member (30) for fixing the male snap body (20) to a fabric (1). The male snap body (20) includes: a male-side engagement part (21) in annular shape capable of being removably engaged with a female-side engagement part (60) of a female snap button (40); and multiple claws (27). The male-side engagement part (21) defines an opening (28) that exposes the fabric (1) inside in a radial direction thereof. A diameter (D1) of the opening (28) is greater than a length (W1) in the radial direction from an outside edge of the opening (28) in the radial direction to an outside edge of the male snap body (20) in the radial direction. The fixing member (30, 30a) includes claw accommodation parts (33) to receive the claws (27).