Hamish Scott Henderson (11 November 1919 – 9 March 2002; Scottish Gaelic: Seamas MacEanraig (Seamas Mòr)) was a Scottish poet, songwriter, communist, intellectual and soldier.
He was a catalyst for the folk revival in Scotland.
He was also an accomplished folk song collector and discovered such notable performers as Jeannie Robertson, Flora MacNeil and Calum Johnston.