Lake Gilles Conservation Park (formerly Lake Gilles National Park) is a protected area in the Australian state of South Australia located in the north of the Eyre Peninsula about 20 kilometres (12 mi) east of Kimba in the gazetted locality of Lake Gilles.

In 2014, the conservation park was described by its managing authority as follows:[3]...an ephemeral lake system fringed by samphire communities.

The park [sic] provides habitat for the Malleefowl, Slender-billed thornbill, Thick-billed grasswren and migratory waders.

Extensive but patchy mallee communities on the eastern plains of the park [sic] include Western Myall and associated chenopod shrubland.The conservation park is classified as an IUCN Category Ia protected area.

[8] In 2012 and 2013, off-trail driving, burning and cutting of native vegetation, and the abandonment of rubbish and furniture were reported to have occurred in the conservation park.