← → The following lists events that happened during 1903 in New Zealand.

26 September – New Zealand is the first country in the world to pass a Wireless Telegraphy Act.

[3] See 1903 in art, 1903 in literature See: 1903 in music The Bantamweight division is included in the national championships for the first time.

National amateur champions National Champion: J.C. Grierson of Auckland.

[4] The 11th National Amateur Championships were held in Napier [5] Provincial league champions:[7] Media related to 1903 in New Zealand at Wikimedia Commons