Tokomaru is a small town in the district of Horowhenua, in the southwestern North Island of New Zealand.

It is located 18 kilometres southwest of Palmerston North, and a similar distance northeast of Shannon.

The Tokomaru railway station on the North Island Main Trunk was open from 1885 to 1982.

The collection includes a 1904 Fowler traction engine, an 1897 Aveling & Porter portable engine and a huge 335 hp Filer & Stowell stationary engine-compressor ex the Imlay Freezing Works, Wanganui.

[4] The town has a locally run combined store and post office.

[5] Tokomaru is defined by Statistics New Zealand as a rural settlement and covers 2.91 km2 (1.12 sq mi).

[6] Miranui statistical area, which surrounds but does not include Shannon, and includes Mangaore, covers 296.88 km2 (114.63 sq mi)[1] and had an estimated population of 2,030 as of June 2024,[7] with a population density of 6.8 people per km2.