A plated steel sheet (1) includes: a steel sheet (2); a pre-plating layer (3) on at least one surface of the steel sheet (2), the pre-plating layer (3) containing Al, Cu, In, Zn, Sn, or Sb, or any combination thereof; and a plating layer (4) of a Zn—Ni alloy on the pre-plating layer (3), a Ni content of the Zn—Ni alloy being 5 mass % to 15 mass %. A coating weight of the pre-plating layer (3) is 0.5 g/m2 or more, and a coating weight of the plating layer (4) is 5 g/m2 or more.