Hästholmen may refer to:
, a nature reserve in Värmdö Municipality, Stockholm County, Sweden Hästholmen, Östergötland, a locality situated in Ödeshög Municipality, Östergötland County, Sweden Hästholmen (Skogsön), an island south of Skogsön, in Vaxholm Municipality, Stockholm County, Sweden Stegesund-Hästholmen, an island north of Vaxholm, in Vaxholm Municipality, Stockholm County, Sweden