WAsia League Ice Hockey or ALIH (AL) is an association which operates a professional ice hockey league based in North and East Asia, with seven teams from Japan, Russia, and South Korea. The league is headquartered in Japan. At the end of the playoffs every year the winner is awarded the Championship Trophy.
WThe B.League is a professional men's basketball league that began in Japan in September 2016. The league is operated by the Japan Professional Basketball League and was formed as a result of a merger between the National Basketball League that was operated by the FIBA-affiliated Japan Basketball Association and the independently operated bj league. The merger had been mandated by FIBA as a condition to Japan having its membership resumed following suspension in November 2014.
WThe Central League or Ce League is one of the two professional baseball leagues that constitute Nippon Professional Baseball in Japan. The winner of the league championship plays against the winner of the Pacific League in the annual Japan Series. It currently consists of six teams from around the country. Unlike the Pacific League, designated hitters are not used during Central League home games.
WThe F. League is the top league for Futsal in Japan. The winning team obtains the participation right to the AFC Futsal Club Championship.
WThe J.League , officially Japan Professional Football League is Japan's professional football league including the first division J1 League, second division J2 League and third division J3 League of the Japanese association football league system. J1 League is one of the most successful leagues in Asian club football. It is currently sponsored by Meiji Yasuda Life and thus officially known as the Meiji Yasuda J.League .
WJ3 League or simply J3 is the third division of Japan Professional Football League that has established a third-tier professional association football league in Japan starting in 2013.
WThe Japan Handball League (JHL), is the top professional handball league in Japan.
WThe Japan Women's Football League , commonly known as the Nadeshiko League , is a women's association football league in Japan.
WNippon Professional Baseball or NPB is the highest level of baseball in Japan. Locally, it is often called Puro Yakyū (プロ野球), meaning Professional Baseball. Outside Japan, it is often just referred to as "Japanese baseball". The roots of the league can be traced back to the formation of the "Greater Japan Tokyo Baseball Club" in Tokyo, founded in 1934, and the original circuit for the sport in the Empire two years later – Japanese Baseball League (1936–1949), and continued to play even through the final years of World War II.
WThe Pacific League or Pa League is one of the two professional baseball leagues constituting Nippon Professional Baseball in Japan. The winner of the league championship competes against the winner in the Central League for the annual Japan Series. It currently consists of six teams from around Japan.
WThe Shikoku Island League Plus is an independent professional baseball league on the island of Shikoku in Japan. The league currently has four teams, and has its league headquarters in Takamatsu.
WThe Top Challenge League is a professional rugby union competition in Japan. It is the second-highest level of rugby competition in the country and is a companies league; all the teams are owned by major companies and the players are generally employees of their company. The Japan Rugby Football Union created the Top League Challenge Series in 2003 in order to give teams playing in the second-tier regional leagues a pathway to progress to the top tier Top League; this became the Top Challenge League in 2017 when a second-tier league was introduced.
WThe Top League is a rugby union competition in Japan. It is the highest level of professional rugby competition in the country. The Japan Rugby Football Union created the competition in 2003, by absorbing the Japan Company Rugby Football Championship, to drive up the overall standard and popularity of the sport and improve the results of the Japan national rugby union team. The chief architect of the league was Hiroaki Shukuzawa who strongly felt the urgency of improving Japanese domestic company rugby to a professional level which would allow Japan to compete more convincingly at Rugby World Cups.
WThe V.League 1 is the top-level professional volleyball league for both men and women in Japan. The league started in 1994.
WThe Women's Japan Basketball League is the premier women's basketball league in Japan.
WThe X-League is the top-level American football league in Japan. It was founded in 1971 as the Japan American Football League, and changed its name to the X League in 1997. There are three divisions among which there is promotion and relegation. Teams in the three-tier league are split into East, West, and Central divisions. There are two types of teams, one being a company team in which only employees of that particular sponsoring company may play, and the other being a club team for which anyone can try out.