Peter Barlow may refer to:
Peter Barlow (mathematician) (1776–1862), English writer on pure and applied mathematics Peter W. Barlow (1809–1885), English civil engineer and son of the mathematician Peter W. Barlow (author) (1847–1890), engineer and author, son of Peter W. Barlow (English civil engineer) Peter Barlow (Coronation Street), a fictional character in the UK television soap opera Coronation Street Peter Barlow (footballer) (born 1950), former forward in the Football League Peter Townsend Barlow (1857–1921), American jurist in New York City