Wagin /ˈweɪdʒɪn/ is a town and shire in the Wheatbelt region of Western Australia, approximately 225 km (139.81 mi) south-east of Perth on the Great Southern Highway between Narrogin and Katanning.

[3] The first European explorer through the area was John Septimus Roe, the Surveyor General of Western Australia, in 1835 en route to Albany from Perth.

Between 1835 and 1889 a few settlers eked a simple living by cutting sandalwood and shepherding small flocks of sheep.

The two-storey Federation Filigree style building with large verandahs in located on Trudhoe Street.

[18] In 1934 the town was extensively flooded after the area experienced 5.4 inches (137 mm) of rainfall in a short period of time, the heaviest for 20 years.

Water over 1 foot (30 cm) deep flowed through the Town Hall and along business premises and dwellings along Tudor Street.

[21] Wagin was the closest major town to the Arthur River earthquake swarm recorded during January 2022.

The peak of the swarm occurred on 25 January 2022 with a magnitude 4.7/4.8 earthquake, which caused minor damage such as wall cracks to properties in the area.