Martin Dillon (born 1949) is an author and journalist from Belfast, Northern Ireland. He worked for eighteen years at the BBC and has written plays and novels, but is best known for his non-fiction books about "the Troubles". He has written books about the loyalist paramilitary Michael Stone and Special Air Service founder Paddy Mayne.
Aside from his non-fiction works, he has written screenplays and two novels, including The Serpent's Tail, rooted in the Troubles. A screenplay based on that novel won a European Script Fund Award. He continues to give interviews about terrorism to radio and television networks worldwide. His last work was Stones Don't Die.