Otago is a region of New Zealand in the South Island.

Otago may also refer to:

Places New Zealand Otago (New Zealand electorate), from 1978 to 2008 Otago Harbour, Dunedin Otago Peninsula, the peninsula around Otago Harbour Otago Province, a province from 1853 to 1876

Elsewhere Otago, Tasmania, a suburb of Hobart Otago Bay, Tasmania, a bay in Tasmania Ōtagō Station, a train station in Chikusei, Ibaraki Prefecture, Japan

Ships HMNZS Otago, two ships of the Royal New Zealand Navy Otago (barque), a barque skippered by Joseph Conrad

See also University of Otago, Dunedin