Djuan is a rural locality in the Toowoomba Region, Queensland, Australia. In the , Djuan had a population of 93 people.
The locality is bounded to the west by the Great Dividing Range.
The locality takes its name from an Aboriginal name for the grey forest possum.
Djuan Provisional School opened on 14 November 1895. On 1 January 1909, it became Djuan State School. It closed in 1969. It was on a site on the bend of Djuan Road ().
On 19 November 1901, a Methodist church opened in Djuan.
In the , Djuan had a population of 100 people.
In the , Djuan had a population of 93 people.
There are no schools in Djuan. The nearest government primary school is Haden State School in neighbouring Haden to the south-west. The nearest government secondary schools are Crow's Nest State School (to Year 10) in Crows Nest to the south-east and Highfields State Secondary College (to Year 12) in Highfields to the south.