A fuel cell stack includes a fuel cell, a first gas flow path, a second gas flow path, a pressing member, and a cell supporting member. The first gas flow path is provided on a first cell surface side of the fuel cell. The second gas flow path is provided on a second cell surface side of the fuel cell. The pressing member is disposed in the first gas flow path, and presses the first cell surface of the fuel cell. The cell supporting member is disposed in the second gas flow path, and supports the second cell surface of the fuel cell that is pressed by the pressing member.