The Mid West Lateral is a transmission lateral pipeline located in mid-west Western Australia. The lateral is owned and operated by the APA Group.

The Mid West Lateral is 15 km in length. The lateral connects the Mid West Pipeline to a gas-fired power station supplying electricity near Mt Magnet. 

The Mid West Lateral is currently a non-scheme pipeline, and is subject to the access regime for non-scheme pipelines under Chapter 6A of the NGL and Part 23 of the NGR.