Please find below links to Welsh writers with surnames beginning with K and L:
K
Dave Lewis – poet, novelist
- Bernard Knight (1931, E), novelist, historian, forensic pathologist
- Stephen Knight (1960, E), poet, theatre director
- Gaby Koppel (1957, E), novelist, journalist
- Joey Kreecraft (1973, E), novelist
- Wendy Kremer (1943, E), romance writer
L
- David Langford (1953, E), sci-fi parody
- Jon Latimer (1964 – 2009, E), historian and writer
- Janet Laugharne (1951, E), writer
- Alison Layland (1964, EW), novelist and translator
- Roger ‘Deke’ Leonard (1944 – 2017, E), musician, writer
- Alun Lewis (1915 – 1944, E), poet
- D. B. Wyndham Lewis (1891 – 1969, E), journalist and biographer
- Dave Lewis (1966, E), poet, novelist and photographer
- M. S. Lewis (1973, E) expedition leader and author
- Saunders Lewis (1893–1985, W), writer and politician
- David Llewellyn (1978, E), novelist and script writer
- Richard Llewellyn (1906 – 1983, E), novelist
- Llywarch Hen (c. 534 – c. 608, W), poet