← → The following lists events that happened during 1870 in New Zealand.

Voting in New Zealand elections is changed to a secret ballot.

[1] There are 2 races for both the New Zealand Cup and New Zealand Derby (presumably at the beginning and end of the calendar year).

(Confirmation required) Charles Monro, son of the Speaker of the House, Sir David Monro, introduces rugby to the Nelson Football club.

[2] Ballinger Belt: Lieutenant Goldie (Otago)[citation needed] Media related to 1870 in New Zealand at Wikimedia Commons