Haffenreffer is a German surname. It may apply to:
Organizations Haffenreffer Brewery, a former brewer in Jamaica Plain, Massachusettses, established in 1870 Haffenreffer Museum of Anthropology, a teaching and research museum at Brown University Narragansett Brewing Company, a Rhode Island brewer that acquired Heffenreffer Brewing in 1965
People Rudolf F. Haffenreffer, a Rhode Island industrialist and philanthropist