Kiyou Shimizu (English Wikipedia)

"2014 World Karate Championships Results" (PDF). sportdata.org. Archived from the original (PDF) on 24 November 2021. Retrieved 21 August 2022.
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"2018 World Karate Championships". SportData. Archived from the original on 26 April 2020. Retrieved 26 April 2020.
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cdn.sportdata.org

"2023 Asian Karate Championships Results Book". Sportdata.org. Archived from the original on 24 July 2023. Retrieved 24 July 2023.

sportresult.com

worldgames2017.sportresult.com

"Karate Results" (PDF). 2017 World Games. Archived (PDF) from the original on 24 April 2020. Retrieved 24 April 2020.

tokyoweekender.com

Hernon, Matthew (16 August 2019). "Meet the Tokyo 2020 Athletes: Karate Sensation Ryo Kiyuna". Tokyo Weekender. Archived from the original on 4 June 2020. Retrieved 4 June 2020.

web.archive.org

"Karate Results" (PDF). 2018 Asian Games. Archived (PDF) from the original on 19 April 2020. Retrieved 19 April 2020.
Etchells, Daniel (29 October 2016). "Four gold medals for Japan on opening day of finals at 2016 Karate World Championships". InsideTheGames.biz. Archived from the original on 30 October 2016. Retrieved 2 December 2020.
"2014 World Karate Championships Results" (PDF). sportdata.org. Archived from the original (PDF) on 24 November 2021. Retrieved 21 August 2022.
"Medalists" (PDF). 2015 Asian Karate Championships. Archived (PDF) from the original on 27 November 2018. Retrieved 21 August 2020.
"2016 World Karate Championships Medalists" (PDF). Sportdata. Archived (PDF) from the original on 31 August 2020. Retrieved 23 June 2021.
"Karate Results" (PDF). 2017 World Games. Archived (PDF) from the original on 24 April 2020. Retrieved 24 April 2020.
Hernon, Matthew (16 August 2019). "Meet the Tokyo 2020 Athletes: Karate Sensation Ryo Kiyuna". Tokyo Weekender. Archived from the original on 4 June 2020. Retrieved 4 June 2020.
"Ryo Kiyuna, Kiyou Shimizu continue to help raise karate's profile". The Japan Times. 26 August 2018. Archived from the original on 1 June 2020. Retrieved 1 June 2020.
"2018 World Karate Championships". SportData. Archived from the original on 26 April 2020. Retrieved 26 April 2020.
"Results Book" (PDF). 2018 World Karate Championships. Archived (PDF) from the original on 26 November 2020. Retrieved 30 December 2020.
"2019 Asian Karate Championships Results" (PDF). World Karate Federation. Archived (PDF) from the original on 23 April 2020. Retrieved 23 April 2020.
"2023 Asian Karate Championships Results Book". Sportdata.org. Archived from the original on 24 July 2023. Retrieved 24 July 2023.
"Kiyou Shimizu won the title for FISU 8th World University Karate Championships". Kansai University. 20 July 2012. Archived from the original on 1 June 2020. Retrieved 1 June 2020.

wkf.net

"World Karate Federation Official Ranking | WKF". www.wkf.net. Retrieved 2023-10-30.
"Medalists" (PDF). 2015 Asian Karate Championships. Archived (PDF) from the original on 27 November 2018. Retrieved 21 August 2020.
"2019 Asian Karate Championships Results" (PDF). World Karate Federation. Archived (PDF) from the original on 23 April 2020. Retrieved 23 April 2020.
"WKF announces first qualified athletes for Tokyo 2020". WKF.net. 18 March 2020. Retrieved 18 April 2020.