Japan men's national water polo team

The Japan men's national water polo team is the representative for Japan in international men's water polo.

Olympic Games

 * 1932 – 4th place
 * 1936 – 14th place
 * 1960 – 14th place
 * 1964 – 11th place
 * 1968 – 12th place
 * 1972 – 15th place
 * 1984 – 11th place
 * 2016 – 12th place
 * 2020 – 10th place
 * 2024 – qualified

World Championship

 * 2001 – 16th place
 * 2003 – 15th place
 * 2005 – 14th place
 * 2007 – 16th place
 * 2011 – 11th place
 * 2015 – 13th place
 * 2017 – 10th place
 * 2019 – 11th place
 * 2022 – 9th place
 * 2023 – 11th place
 * 2024 – 13th place

World Cup

 * 2018 – 7th place

World League

 * 2006 – 15th place
 * 2007 – 16th place
 * 2008 – 11th place
 * 2009 – 7th place
 * 2010 – 11th place
 * 2011 – 10th place
 * 2012 – 11th place
 * 2013 – 7th place
 * 2014 – Intercontinental Preliminary round
 * 2015 – Intercontinental Preliminary round
 * 2016 – 6th place
 * 2017 – 8th place
 * 2018 – 4th place
 * 2019 – 6th place
 * 2020 – 5th place

Asian Games

 * 1954 –  Silver medal
 * 1958 –  Gold medal
 * 1962 –  Gold medal
 * 1966 –  Gold medal
 * 1970 –  Gold medal
 * 1974 –  Silver medal
 * 1978 –  Silver medal
 * 1982 –  Silver medal
 * 1990 –  Silver medal
 * 1994 –  Silver medal
 * 1998 – 4th
 * 2002 –  Silver medal
 * 2006 –  Silver medal
 * 2010 –  Silver medal
 * 2014 –  Silver medal
 * 2018 –  Silver medal
 * 2023 –  Gold medal

Asian Swimming Championships

 * 2012 –  Silver medal
 * 2016 –  Gold medal

Asian Water Polo Championship

 * 2009 –  Bronze medal
 * 2012 –  Bronze medal
 * 2015 –  Gold medal

Current squad
Roster for the 2024 World Aquatics Championships.

Head coach: Yoshinori Shiota


 * 1 Katsuyuki Tanamura GK
 * 2 Seiya Adachi FP
 * 3 Taiyo Watanabe FP
 * 4 Daichi Ogihara FP
 * 5 Kai Inoue FP
 * 6 Toi Suzuki FP
 * 7 Kiyomu Date FP
 * 8 Mitsuru Takata FP
 * 9 Ikkei Nitta FP
 * 10 Yusuke Inaba FP
 * 11 Keigo Okawa FP
 * 12 Kenta Araki FP
 * 13 Towa Nishimura GK
 * 14 Taiki Katayama FP
 * 15 Ren Sasano FP