Bly may refer to:
Blythe Katherine Danner (born February 3, 1943) is an American actress of film, television and stage.
Blyth (/ˈblaɪð/ blithe) is a town and civil parish in southeast Northumberland, England. It lies on the coast, to the south of the River Blyth and is approximately 13 miles (21 km) northeast of Newcastle upon Tyne.
Blyth Spartans Association Football Club is an English football club based in Blyth, Northumberland. The club participates in the Northern Premier League Premier Division, the seventh tier of English football.
Blyzniuky Raion (Ukrainian: Близнюківський район) — is raion (district) in Kharkiv Oblast of Ukraine. Its administrative center is Blyzniuky.
Blythe /ˈblaɪθ/ is a city in Riverside County, California, United States, in the Palo Verde Valley of the Lower Colorado River Valley region, an agricultural area and part of the Colorado Desert along the Colorado River.
Blyth is a village and civil parish in the Bassetlaw district of the county of Nottinghamshire, in the East Midlands, north west of East Retford, on the River Ryton.
Blyth Power Station (also known as Cambois Power Station) refers to a pair of now demolished coal-fired power stations, which were located on the Northumberland coast in North East England.
Blyxa is a genus of an aquatic plant of the family Hydrocharitaceae described as a genus in 1806.
The Blyth and Tyne Railway was a railway company in Northumberland, England. It was incorporated in 1853 to unify several private railways and waggonways that were concerned with bringing coal from the Northumberland coalfield to Blyth and to the River Tyne.