Koo Kyo-hwan (lahir 14 Desember 1982) adalah aktor dan sutradara film yang dikenal untuk perannya dalam film Jane[1], Peninsula (2020), Escape from Mogadishu (2021) dan seri televisi D.P. (2021).
^Seo, Jin-ju (July 22, 2022). "구교환, '이상한 변호사 우영우' 특별 출연" ["What's your name?"... Koo Kyo-hwan, 'Woo Young-woo' Special Appearance 'Excited'] (dalam bahasa Korea). Money S. Diakses tanggal July 24, 2022 – via Naver.
^Yang So-young (July 7, 2021). "킹덤: 아신전' 김뢰하·구교환 캐릭터 스틸 공개 '카리스마 폭발" [Kingdom: Ashinjeon' Kim Roe-ha and Koo Gyo-gwan's character stills revealed, 'Charisma explosion']. Maeil Business Star Today (dalam bahasa Korea). Naver. Diakses tanggal July 7, 2021.
^Moon Ji-yeon (July 30, 2021). "[공식] 정해인·구교환 넷플릭스 'D.P.' 8월 27일 공개 확정" [[Official] Jung Hae-in and Koo Gwan-gwan Netflix 'D.P.' Confirmed to be released on August 27th]. Sports Chosun (dalam bahasa Korea). Naver. Diakses tanggal July 30, 2021.
^Kim Seong-hyeon (August 9, 2021). "구교환·신현빈·곽동연, '부산행' 연상호 작가 신작 '괴이' 출연 확정(공식)" [Koo Gyo-hwa, Shin Hyun-bin, and Kwak Dong-yeon confirmed to appear in 'Train to Busan' writer Yeon Sang-ho's new work 'Ghost' (official)]. YTN (dalam bahasa Korea). Naver. Diakses tanggal August 9, 2021.
^Kim Bo-ra (February 16, 2023). "'박하경 여행기' 이나영→구교환 캐스팅 확정…웨이브 공개[공식]" ['Park Ha-kyung's travelogue' Lee Na-young → Koo Hwan-hwan casting confirmed... Wave Reveal [Official]] (dalam bahasa Korea). OSEN. Diakses tanggal February 16, 2023 – via Naver.
^Park, Jae-hwan (August 25, 2022). "연상호의 상상력은 어디까지?" 넷플릭스와 '기생수' 만든다" ["How far is Yeon Sang-ho's imagination?" Creating a 'parasitic water' with Netflix] (dalam bahasa Korea). KBS Media. Diakses tanggal August 28, 2022 – via Naver.