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