Peter Haddon (31 March 1898 – 7 September 1962) was an English actor born Peter Haddon Tildsley in Rawtenstall, Lancashire.
He was the son of Alfred and Mary Tildsley and he had a brother, Vincent Harvey (1894), and two sisters, Edna and Mary.
His father was a clergyman.
In 1925, he married Rosaline Jane Courtneidge (1903–1926), a daughter of Robert Courtneidge and her eldest sister was Cicely Courtneidge.
Peter and Rosaline Tildsley had a daughter, Rosaline (1926–2011).