Waikato (often known as the Waikato Mooloos) are a New Zealand professional rugby union team based in Hamilton, New Zealand. The union was originally established in 1921, with the National Provincial Championship established in 1976. They now play in the reformed National Provincial Championship competition. They play their home games at FMG Stadium Waikato in Hamilton in the Waikato region. The team is affiliated with the Chiefs Super Rugby franchise. Their home playing colours are red, yellow and black.

The Waikato Mooloos squad for the 2025 Bunnings NPC is:

Waikato have been overall Champions on three occasions, winning the titles in 1992, 2006 and 2021. Their full list of honours include:

Players named in the 2025 Waikato Mooloos squad, who also earned contracts or were named in a squad for any side participating in the 2025 Super Rugby Pacific season.