Munakata Sanix Blues , formerly Fukuoka Sanix Blues and Fukuoka Sanix Bombs, was a Japanese rugby union team based in Munakata, Fukuoka Prefecture, Japan. Founded in April 1994, the team rose rapidly through the Kyūshū leagues and was in the Top League for the first season (2003-4) as Kyūshū's sole representative, but lost a relegation battle with Kintetsu Liners 42-45 and was demoted. But Sanix managed to return to the Top League for the 2005-6 season, beating Secom Rugguts and Toyota Jido Shokki in the Top League Challenge Series 2005.

Munakata is a city in Japan, located in Fukuoka Prefecture. As of 31 March 2024, the city had an estimated population of 96,786 in 44884 households, and a population density of 810 persons per km². The total area of the city is 119.94 km2 (46.31 sq mi).