Flansburgh is a surname. Notable people with the surname include:
Earl Flansburgh (1931–2009), American architect, father of: John Flansburgh (born 1960), American musician and member of They Might Be Giants Paxus Calta (born 1957), American political activist, born Earl Schuyler Flansburgh
See also
Scott Flansburg (born 1963), American dubbed "The Human Calculator" Flensburg (disambiguation)