Claims and settlements under the Treaty of Waitangi have been a significant feature of New Zealand politics since the Treaty of Waitangi Act 1975 and the Waitangi Tribunal that was established by that act to hear claims. Successive governments have increasingly provided formal legal and political opportunity for Māori to seek redress for what are seen as breaches by the Crown of guarantees set out in the Treaty of Waitangi. While it has resulted in putting to rest a number of significant longstanding grievances, the process has been subject to criticisms including those who believe that the redress is insufficient to compensate for Māori losses. The settlements are typically seen as part of a broader Māori Renaissance.

The Treaty of Waitangi, sometimes referred to as Te Tiriti, is a document of central importance to the history of New Zealand, its constitution, and its national mythos. It has played a major role in the treatment of the Māori people in New Zealand by successive governments and the wider population, something that has been especially prominent from the late 20th century. The treaty document is an agreement, not a treaty as recognised in international law, and has no independent legal status, being legally effective only to the extent it is recognised in various statutes. It was first signed on 6 February 1840 by Captain William Hobson as consul for the British Crown and by Māori chiefs from the North Island of New Zealand.