Mark Jenkin (born 1976; Newlyn) is a British (Cornish) director, editor, screenwriter, cinematographer and producer. He wrote and directed the film Bait (2019), which earned him a BAFTA Award for Outstanding Debut by a British Writer, Director or Producer.

Jenkin won the Frank Copplestone First Time Director Award at The Celtic Film & Television Festival in 2002 for his debut film Golden Burn. He followed this success with documentaries, shorts and low-budget feature films including The Man Who Needed a Traffic Light, The Rabbit and The Lobsterman, a documentary on the life of Cornish playwright Nick Darke. His 2007 feature film The Midnight Drives was described by Derek Malcolm, film critic for The Evening Standard as "A moving film about parentage with an exceptional performance from Colin Holt at its centre". Jenkin wrote and directed the 2019 drama film Bait, starring his partner Mary Woodvine. In 2020, Jenkin was recognised as a Cornish Bard for his work in promoting Cornwall’s heritage. In 2022, he created two music videos for the band the Smile.