Wyndham is a rural town of 579 people in the South Island of New Zealand in the Southland region, 45 km (28 mi) east of Invercargill and 25 km (15 mi) south of Gore.

The original Māori name of the locality was Mokoreta (clear or sweet water).

The streets are in turn named for events, places, battles and personalities from that war.

For eighty years, it was served by the Wyndham Branch railway which provided a connection with the Main South Line, and for forty years, an extension past Wyndham was operated to Glenham.

The biggest current gathering of motorcycle enthusiasts in the Southern Hemisphere.

[5] Wyndham originally had a dairy factory established in 1885 and a flax milling factory named The Field-Gibson Flax Milling Company established in 1903, but these have both long since closed.

[6] Wyndham is described by Statistics New Zealand as a rural settlement and covers 2.95 km2 (1.14 sq mi).