Peter Grubb

Peter Grubb may refer to:

• Peter Grubb (mason) (1702–1754), American mason and founder of Grubb family iron dynasty
• Peter Grubb Jr. (1740–1786), American patriot and member of Grubb family iron dynasty
• Peter J. Grubb (born 1935), English ecologist
• Peter Grubb (zoologist) (1942–2006), English zoologist