Sutphen is a surname. Notable people with the surname include:
C.H. Sutphen, founder of Sutphen, an American emergency service vehicle manufacturing company Jeff Sutphen (born 1977), American actor, producer, and game show host Joyce Sutphen (born 1949), American poet Mona Sutphen (born 1967), American government official Van Tassel Sutphen (1861–1945), American playwright, librettist, novelist, and editor
See also Sutphin, another surname Sutphen, Kansas Zutphen