Paul Mounsey (born 15 April 1959) is a composer, arranger and producer from Scotland.

He lived for over 20 years in Brazil. A graduate of Trinity College, London, where he studied with Richard Arnell, he has written for film, television, theatre, advertising and also for the Latin American pop market. He lectured for a short while at Goldsmiths College before moving on as creative director of Play It Again, one of the biggest commercial music houses in Brazil. He has also written articles on various aspects of music. He’s written pop hits for Mexican boy bands, has received commissions for chamber and multimedia works, has lived with and recorded the music of indigenous communities in the Amazon rainforest, and to date has released five solo albums. He is currently based in Los Angeles working as composer, orchestrator and programmer in the film industry.