A fuel cell stack includes a stack body formed by stacking a plurality of power generation cells in a stacking direction. At one end of the stack body, first and second dummy cells are provided. At the other of the stack body, third and fourth dummy cells are provided. Each of the first to fourth dummy cells includes a first metal separator and a second metal separator. The first metal separator and a first metal separator of the power generation cell have substantially the same shape. The second metal separator and a second metal separator of the power generation cell have substantially the same shape.