Ngaio, a Māori word, may refer to:
Ngaio (tree) (Myoporum laetum), also known as the mousehole tree Ngaio weevil (Anagotus stephenensis) Ngaio, New Zealand, a suburb of Wellington, New Zealand Ngaio railway station Ngaio Bealum, American comedian, musician, writer, actor, activist, and publisher Ngaio Beausoleil, New Zealand animal welfare researcher Ngaio Marsh (1895–1982), author and theatre director Ngaio Marsh Awards Ngaio Marsh House Ngaio Marsh Theatre Ngaio Marsh Theatre (TV series)