Groundswell NZ is a farming advocacy group in New Zealand that was formed to oppose the New Zealand Government's National Policy Statement on Freshwater. The group has also sought to oppose or revise freshwater, indigenous biodiversity, climate change, pastoral land reform policies, and the Three Waters reform programme affecting farmers and rural communities On 16 July 2021, Groundswell NZ staged a nationwide Howl of a Protest campaign in between 47 and 57 cities and towns throughout New Zealand to protest what they regarded as "increasing Government interference, unworkable regulations, and unjustified costs" on the rural sector. On 21 November 2021, Groundswell NZ held a second series of nationwide protests known as the Mother of All Protests.