The Cape Wickham Lighthouse is a lighthouse situated at Cape Wickham on King Island, Tasmania. At 48m tall, it is Australia's tallest lighthouse. The lighthouse is listed on the Commonwealth Heritage Register.
There are eleven timber flights of stairs in the lighthouse, with twenty steps each, which must be climbed in order to reach the top. Surrounding the lighthouse are the remains of a number of associated buildings, including a small church. There are also a number of gravestones, many belonging to those who were shipwrecked in the area after the lighthouse was built.