The public transport system of Otago centres around the cities of Dunedin and Queenstown, under the brand name Orbus. Public transport in the region is provided using buses and ferries. Despite sharing a name, the systems in Dunedin and Queenstown are isolated from one another.

Go Bus Transport Ltd is a large bus company in New Zealand owned by Australian-based transport operator Kinetic Group. The company is based in Hamilton, New Zealand, and runs bus services in Hamilton, Hawke's Bay, Tauranga, Christchurch, Gisborne, Dunedin and Invercargill.