Sorjonen is a Finnish surname. Notable people with the surname include:
People (1908–1954), Finnish criminal (b. 1942), Finnish business director and cultural patron (1912–1996), Finnish journalist, rebel and author (b. 1956), Professor of Finnish , Finnish hockey player (1904–1970), Finnish teacher and association leader
Fictional characters and series Bordertown (Finnish TV series), a Finnish television series known as "Sorjonen" in Finnish Kari Sorjonen, main character in Bordertown