The Hassell National Park (English Hassell National Park ) is a 13 km ² national park in the south of Western Australia, Australia. It is located about 400 km south-east of Perth and 40 km northeast of Albany. As a small strip it runs for a length of 20 km on both sides along the South Coast Highway.

The vegetation, dominated by sandy, nutrient-poor soils, consists mainly of heath and scrub Malleesträuchern.