Troubridge Island Lighthouse is a decommissioned lighthouse in the Australian state of South Australia located on Troubridge Island in Gulf St Vincent about 74 kilometres (46 miles) southwest of the state capital of Adelaide and about 8 kilometres (5.0 mi) southeast by east of Edithburgh on Yorke Peninsula.

The lighthouse was commissioned in 1856 as a means to reduce losses caused by the stranding of ships on the Troubridge Shoals.

[1][2][7] In 1978, the lighthouse was listed on the now-defunct Register of the National Estate.

[8] The former Troubridge Island lighthouse and its adjacent Troubridge Island Lighthouse Keepers' Cottages which are listed on the South Australian Heritage Register are now part of the tourist attractions offered within the Troubridge Island Conservation Park.

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