Struan is a locality located within the Naracoorte Lucindale Council in the Limestone Coast region of South Australia.

The railway between Wolseley and Mount Gambier passed through here but closed on 12 April 1995.

[citation needed] Struan has a warm-summer mediterranean climate (Köppen: Csb), with very warm, dry summers and cool, relatively wet winters.

Sun data was taken from Kybybolite Research Centre 26.7 kilometres (16.6 mi) NE.

[6] The median age of persons in Struan was 46 years.