Kim Roi-ha (김뢰하) is a South Korean character actor born on November 15, 1965. Beginning his career in theater and short films in the 1990s, he rose to prominence through his early artistic collaborations with acclaimed director Bong Joon-ho, starring in Barking Dogs Never Bite (2000), Memories of Murder (2003), and The Host (2006).

Over a multi-decade career, Kim established a prolific screen presence in film and television. His major film credits include Save the Green Planet! (2003), A Bittersweet Life (2005), Forbidden Quest (2006), Dachimawa Lee (2008), and Hindsight (2011). On television, he has featured in prominent roles across series such as Iljimae (2008), Voice (2017), Kingdom: Ashin of the North (2021), Connect (2022), and My Sweet Mobster (2024).