John Swihart is an American musical composer for Film, and Television. He is perhaps best known for his score to "Napoleon Dynamite", "Youth in Revolt", "Employee Of The Month", and his music for the TV shows "How I Met Your Mother", and "Go On".

John Swihart was raised in Bloomington, Indiana, the son of a physicist based at Indiana University. He spent a portion of his formative years in Europe and Asia, where his father would sabbatical.