A weir is a barrier across a river. It may also refer to:
Places Canada Weir, Quebec, an unincorporated village in Montcalm, Quebec
India Weir, Rajasthan Weir Dam, Maharashtra
United Kingdom Weir, Lancashire Wyre, Orkney, Scotland, which used to be spelt "Weir" occasionally
United States Weir, Kansas Weir, Kentucky Weir, Mississippi Weir, Texas Weir, West Virginia Weir Farm National Historic Site, Connecticut, USA Weir Hill, a park in Massachusetts James Weir House, Tennessee, USA Weirs Beach, New Hampshire The Weirs, an archaeological site in Weirs Beach, New Hampshire
People and fictional characters Weir (surname), a list of people and fictional characters Sukollawat Kanaros, Thai actor nicknamed "Weir"
Arts and entertainment Weirs (album), by Luke Vibert and Jeremy Simmonds Weir (song), Killing Heidi's debut single The Weir, a 1997 play by Conor McPherson
Other uses Fishing weir, a type of fish trap Viscount Weir, a title in the Peerage of the United Kingdom WEIR, an American radio station Weir Group, an engineering company headquartered in Glasgow, Scotland
See also Weer (disambiguation) Wier (disambiguation) Weyr (disambiguation)