Wakana Koga

Wakana Koga
Personal information
Nationality	Japanese
Born	28 June 2001
Occupation	Judoka
Sport
Country	Japan
Sport	Judo
Weight class	‍–‍48 kg
Achievements and titles
World Champ.	(2021)
Asian Champ.	(2022)
Medal record
Women's judo
Representing Japan
World Championships
Asian Championships
World Masters
IJF Grand Slam
IJF Grand Prix
World Juniors Championships
Profile at external databases
IJF	31757
JudoInside.com	105986
	Updated on 11 December 2025

Wakana Koga (born 28 June 2001) is a Japanese judoka. She won the silver medal in the women's 48 kg event at the 2021 World Judo Championships held in Budapest, Hungary.^[1]^[2] In the final, she lost against Natsumi Tsunoda.^[3]

Koga won one of the bronze medals in her event at the 2022 Judo Grand Slam Paris held in Paris, France.^[4]

Koga won one of the bronze medals in the women's 48 kg event at the 2023 World Judo Championships held in Doha, Qatar.^[5]

References

^ "Natsumi Tsunoda wins gold for Japan U48kg". Judo Inside. 6 June 2021. Retrieved 6 June 2021.
^ "Women's 48 kg". 2021 World Judo Championships. Retrieved 6 June 2021.
^ Berkeley, Geoff (6 June 2021). "Tsunoda wins all-Japanese final to claim opening-day gold at World Judo Championships". InsideTheGames.biz. Retrieved 6 June 2021.
^ Lloyd, Owen (5 February 2022). "Japan claims four gold medals on Judo Paris Grand Slam opening day". InsideTheGames.biz. Retrieved 6 February 2022.
^ Berkeley, Geoff (7 May 2023). "Tsunoda completes hat-trick as Garrigos strikes gold on first day of Doha 2023". InsideTheGames.biz. Retrieved 7 May 2023.