Bob Bossin (born 1946) is a Canadian folk singer, writer and activist who co-founded the Canadian folk group Stringband with Marie-Lynn Hammond. Bossin is the writer of the songs "Dief Will Be the Chief Again", "Show Us the Length", "Tugboats", "The Maple Leaf Dog" and "Sulphur Passage (No pasaran)". As well, Bossin wrote and performed two solo musicals, Bossin's Home Remedy for Nuclear War and Davy the Punk. The latter is based on the book Davy the Punk (The Porcupine's Quill, 2014), Bossin's memoir of his outlaw father.