Marshlands is a rural locality in the South Burnett Region, Queensland, Australia. In the , Marshlands had a population of 23 people.
Barambah Creek enters the locality from the south-east (Mondure / Silverleaf) and forms the north-eastern and northern boundary of the locality, before exiting to the north-west (Stonelands / Wooroonden). It is ultimately a tributary of the Burnett River.
The Marshlands rural property is in the south of the locality.
The land use is a mixture of crop-growing and grazing on native vegetation.
In the , Marshlands had a population of 14 people.
In the , Marshlands had a population of 23 people.
There are no schools in Marshlands. The nearest government schools are Cloyna State School in Cloyna to the north-east and Wheatlands State School in Wheatlands to the south-east. The nearest government secondary schools are Proston State School (to Year 10) in Proston to the west and Murgon State High School (to Year 12) in Murgon to the south-east. There is also a Catholic primary school in Murgon.