Sam Llewellyn (born 1948) is a British author known for his nautical-themed novels and non-fiction works. Born in Cornwall, he began his career as a journalist before focusing on writing. His works include adventure novels like 'Dead Tide' and 'Storm Eye', as well as books on maritime history and environment. He served as president of the International Association of Maritime Literature, promoting ocean literature. His vivid storytelling and deep insight into sea life have earned him a loyal readership.