This is a list of works of fiction that have been made into feature films, from K to R. The title of the work and the year it was published are both followed by the work's author, the title of the film, and the year of the film. If a film has an alternate title based on geographical distribution, the title listed will be that of the widest distribution area.

K Fiction work(s) Film adaptation(s) Kami no Tsuki (2012), Mitsuyo Kakuta Pale Moon (2014) Kenka erejii (1963), Takashi Suzuki Fighting Elegy (1966) (1956), Jun'ichirō Tanizaki Odd Obsession (1959) The Key () (1983) The Key (2014) The Keys of the Kingdom (1941), A. J. Cronin The Keys of the Kingdom (1944) Kidnapped (1886), Robert Louis Stevenson Kidnapped (1917) Kidnapped (1938) Kidnapped (1960) Kidnapped (1971) Kidnapped (1986) Kidnapped (1995) King Solomon's Mines (1885), Sir H. Rider Haggard Allan Quatermain (1919) King Solomon's Mines (1937) King Solomon's Mines (1950) Watusi (1959) King Solomon's Treasure (1979) King Solomon's Mines (1985) Allan Quatermain and the Lost City of Gold (1986) King Solomon's Mines (1986) Allan Quatermain and the Temple of Skulls (2008) Allan Quatermain and the Spear of Destiny (2023) The King's Damosel (1976), Vera Chapman Quest for Camelot (1998) King's Ransom (1959), Evan Hunter High and Low (1963) Kings Go Forth (1956), Joe David Brown Kings Go Forth (1958) Kings Row (1940), Henry Bellamann Kings Row (1942) The Killer Angels (1974), Michael Shaara Gettysburg (1993) The Killer Inside Me (1952), Jim Thompson The Killer Inside Me (1976) The Killer Inside Me (2010) Kipps (1905), H. G. Wells Kipps (1921) Kipps (1941) Half a Sixpence (1967) Kirishima, bukatsu yamerutteyo (2010), Ryo Asai The Kirishima Thing (2012) Kiss of the Spider Woman (1976), Manuel Puig Kiss of the Spider Woman (1985) Kiss the Girls (1995), James Patterson Kiss the Girls (1997) Kiss Tomorrow Goodbye (1948), Horace McCoy Kiss Tomorrow Goodbye (1950) (1988), Banana Yoshimoto Kitchen (1989) Kitchen () (1997) The Kites () (1980), Romain Gary Les cerfs-volants (2007) The Klansman (1967), William Bradford Huie The Klansman (1974) (1914), Natsume Sōseki The Heart (1955) The Heart (1973) The Kolchak Papers (written 1970, published 1973), Jeff Rice The Night Stalker (1972) The Night Strangler (1973) Crackle of Death (1974) The Demon and the Mummy (1976) Kowloon Tong (1997), Paul Theroux Chinese Box (1997)

L