Johannes Carl Andersen MBE (14 March 1873 – 19 June 1962) was a New Zealand clerk, poet, ethnologist, librarian, editor and historian.

[2] In 1887 he began working at the Department of Lands and Survey as a cadet draughtsman and then as a clerk.

[2] In May 1900 Andersen married teacher Kate McHaffie, who later became active in various community organisations in Wellington, including the New Zealand Women Writers' and Artists' Society.

Andersen supported her endeavours, including by reviewing and endorsing the literary efforts of Society members.

[2] [5] Andersen participated in the 1919–1923 Dominion Museum ethnological expeditions alongside Te Rangihīroa, Elsdon Best, James McDonald and Āpirana Ngata.