Noriaki Kasai (?? ??, Kasai Noriaki, born 6 June 1972) is a Japanese ski jumper.
His career achievements include a gold medal at the 1992 Ski Flying World Championships, winning the 1999 Nordic Tournament, individual silver medal at the 2014 Winter Olympics, and two individual bronze medals at the 2003 Ski Jumping World Championships.
During his career, Kasai broke numerous ski jumping records.
In 2016, Kasai was honoured with two Guinness World Records certificates for the most individual World Cup starts, not only in ski jumping, but in all World Cup disciplines organized by the International Ski Federation.
Kasai has been competing for 31 seasons between 1988–89 and 2019–20, and consecutively since 1995–96.