Peter Barrett

Peter Barrett may refer to:

Peter Barrett (illustrator), British painter, illustrator, graphic designer and children's book author
Peter Barrett (bishop), Church of Ireland bishop
Peter Barrett (sailor), American sailor
Peter Barrett (cricketer), English cricketer
Peter Barrett (geologist), New Zealand geologist and professor at Victoria University of Wellington
Peter Barrett (politician), member of the Tasmanian House of Assembly
Peter Barrett (entrepreneur), Australian entrepreneur