Marla is a small town on the Stuart Highway in north-western South Australia.
It is located near the Ghan railway line. At the 2006 census, Marla had a population of 72 and is primarily a service town.
It marks the northern tip of the Oodnadatta Track and the turnoff to the Mintabie opal fields.
Marla is accessible by train. The Ghan, run by Great Southern Railway between Adelaide and Darwin arrives twice weekly in each direction.
The township centres around the Marla Travellers Rest service station which comprises a supermarket, pub, motel, caravan park, pool and workshop.
It is situated east of the Anangu Pitjantjatjara Lands and is a main service for these lands. There is a police station located at Marla which is a base for police officers working on these lands.