Banham is a surname. Notable people with the surname include:
Bob Banham (1912–1999), Australian rugby league footballer and coach Cliff Banham (fl. 1952), New Zealand footballer Frank Banham (born 1975), Canadian-Hungarian ice hockey player John Banham (1940–2022), British businessman Katharine Banham (1897–1995), English developmental psychologist Rachel Banham (born 1993), American basketball player Reyner Banham (1922–1988), English architectural critic Russ Banham (born 1954), American writer, reporter, and journalist Stanley Banham (1913–1984), English cricketer Stephen Banham (born 1968), Australian typographer Teresa Banham (born 1964), British television and theatre actress Tony Banham (born 1959), English historian