Ryukishi07 (竜騎士07), born November 19, 1973, is the pen name of a Japanese man originally from Chiba Prefecture who is well-known as the creator of the sound novel series Higurashi no Naku Koro ni and Umineko no Naku Koro ni. He is the representative member of the group 07th Expansion.
- Higurashi no Naku Koro ni
- Kaidan to Odorou, Soshite Anata wa Kaidan de Odoru (novel)
- Higurashi Daybreak (screenplay)
- Umineko no Naku Koro ni
- Hotarubi no Tomoru Koro ni (story)
- Rewrite (partial screenplay)
- Ookami Kakushi (original plan/director)
- Higanbana no Saku Yoru ni
- Rose Guns Days (screenplay and partial illustrations)
- TRianThology ~Sanmenkyou no Kuni no Alice~
- Harem Royale ~When the Game Ends~
- Ciconia no Naku Koro ni
- Bakemonotachi ga Usobuku Koro ni ~ Bakemonohime no Kateikyoushi ~
- Gensou Rougoku no Kaleidoscope
- His pen name originated from Reina of Final Fantasy V — "07" in Japanese can be pronounced as "reinana", and "Ryukishi" means "dragon knight", referring to Reina's wyvern.
- The character Rena Ryuugu, from his work Higurashi no Naku Koro ni, comes from Reina of Final Fantasy V as well. His illustration style is recognizable from the large hands he draws on people.