The 2012 Pacific Nations Cup rugby union tournament was held between the four national sides on the Pacific Rim: Fiji, Japan, Samoa and Tonga.

Japan were the reigning champion after they defeated Fiji in the 2011 competition at Churchill Park, Lautoka.

The tournament ran from 5 to 23 June 2012 with most of the matches hosted by Japan.

There were four points for a win, two for a draw and none for a defeat.

Touch judges: Akihisa Aso Taku Otsuki Touch judges: Taizo Hirabayashi Kyosuke Toda Touch judges: John Lacey Kazuhito Taniguchi Touch judges: John Lacey Taizo Hirabayashi Touch judges: Taizo Hirabayashi Taku Otsuki Touch judges: Garratt Williamson Samuela Tuidraki Source: irb.com