| Type: | town |
| Struan | |
| State: | sa |
| Coordinates: | -37.0656°N 140.76°W |
| Pushpin Label Position: | right |
| Lga: | Naracoorte Lucindale Council |
| Postcode: | 5271 |
| Established: | 12 April 2001 |
| Established Footnotes: | [1] |
| Pop: | 40 |
| Stategov: | MacKillop |
| Fedgov: | Barker |
| Maxtemp: | 20.7 |
| Maxtemp Footnotes: | [2] |
| Mintemp: | 8.0 |
| Rainfall: | 552.0 |
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.
Struan has a warm-summer mediterranean climate (Köppen: Csb), with very warm, dry summers and cool, relatively wet winters. Average maxima vary from in February to in July and average minima fluctuate between in February and in July. Mean average annual precipitation is 552mm, spread between 156.1 precipitation days. Annually, the town only experiences 41.6 clear days, whilst having 113.1 cloudy days. Extreme temperatures have ranged from on 16 July 1979 to on 20 February 1983. Sun data was taken from Kybybolite Research Centre NE.[3]
As of the 2021 Australian census, 40 people resided in Struan, down from 45 in the . The median age of persons in Struan was 46 years. There were equal amount of males and females, with 50% of the population being male and female. The average household size was 2.7 people per household.