Roger Vonlanthen (born 5 December 1930) is a retired Swiss football player and manager.
During his club career he played for Grasshoppers (1951–55), Inter Milan (1955–57), Alessandria (1957–59) and Lausanne (1959-66).
He earned 27 caps and scored 8 goals for the Switzerland national football team from 1954 to 1966, and participated in two World Cups (1954 and 1962).
Later he became a manager with Servette, Lausanne and CS Chênois and had a stint as the manager of Switzerland from 1977 to 1979.