Martin Lewis may refer to:
- Martin Lewis (artist) (1881–1962), Australian artist and printmaker
- Martin Lewis (Australian actor) (born 1970)
- Martin Lewis (basketball) (born 1975), American basketball player
- Martin Lewis (cricketer) (born 1969), English cricketer
- Martin Lewis (English actor) (1888–1970), actor in The Heirloom Mystery
- Martin Lewis (financial journalist) (born 1972), English journalist, television presenter, author
- Martin Lewis (humorist) (born 1952), US-based writer, radio/TV host, humorist, producer, marketing strategist