Trygve Patroclus Einarsønn von Hirsch (6 November 1912 – 9 March 1992) was a Norwegian barrister and writer. He was born in Lørenskog as a son of landowner and dentist Einar von Hirsch (1872–1938) and Elise Jacobine Kjoss-Hansen. In 1942 he married Swedish citizen Margit Kristina Wikland. He chaired the supervisory council of Ivarans Rederi from 1950, and became a board member in 1966. He also chaired Høka from 1967 and was a board member of IBM Norway (from 1953), Autoindustri (from 1961), Grønvold Industri (from 1964), (from 1967), and Titania (from 1966), (from 1971) and the .