The 1911 New Zealand general election was held on Thursday, 7 and 14 December in the general electorates, and on Tuesday, 19 December in the Māori electorates to elect a total of 80 MPs to the 18th session of the New Zealand Parliament. A total number of 590,042 (83.5%) voters turned out to vote. In two seats there was only one candidate.

The New Zealand Parliament is the unicameral legislature of New Zealand, consisting of the Sovereign (King-in-Parliament) and the New Zealand House of Representatives. The King is usually represented by his governor-general. Before 1951, there was an upper chamber, the New Zealand Legislative Council. The New Zealand Parliament was established in 1854 and is one of the oldest continuously functioning legislatures in the world. It has met in Wellington, the capital of New Zealand, since 1865.