The Bicker Isles are two small islands in Proper Bay, Spencer Gulf, South Australia.

They are uninhabited, and fall within the boundary of Lincoln National Park.

[2] They were named by Matthew Flinders on 25 February 1802 after Bicker, a town in Lincolnshire, England.

[4] The isles are part of the Lincoln National Park.

This South Australia geography article is a stub.