Hiroshi Hirasaka
Japanese writer
- Born
- 10 September 1985, Nagasaki
- Age
- 41
Hiroshi Hirasaka (平坂寛, born 10 September 1985 in Nagasaki) is a Japanese writer and YouTuber. His YouTube channel, under the handle 
HIRASAKA-H, is about living creatures; it had about 945,000 subscribers in November 2025. He is also a visiting researcher at the Kuroshio Biological Research Institute and has appeared on the Japanese television programme Jōnetsu Tairiku.
Hiroshi Hirasaka’s social media accounts
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