Langfelder is a surname of Old High German origin, nowadays mainly found in the United States. Notable people with the surname include:
Dulcinea Langfelder (1955–2025), American multidisciplinary artist (1884–1958), German actress, director, and radio play speaker Jim Langfelder (born 1960), mayor of Springfield, Illinois (2015–2023), son of Ossie Ossie Langfelder (1926–2015), mayor of Springfield, Illinois (1987–1995)