1917 New Zealand rugby league season

Ponsonby United won the Auckland Rugby League's competition and the Roope Rooster.

[1] The Auckland Rugby Union champions, Railway (themselves a War time combination of the Marist and City clubs), split with a breakaway group led by Conrad McDevitt challenging Ponsonby United to a game of rugby league.

Railway XIII, who included most of the club's leading players, defeated Ponsonby United 12–3 at the Auckland Domain.

[2] Sydenham won the Canterbury Rugby League's competition, for which they were awarded the Thacker Shield.

During the year former Canterbury captain and New Zealand international Bill Bussell was killed in action.