Bly may refer to:
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.
Blythe Katherine Danner (born February 3, 1943) is an American actress of film, television and stage.
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.
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 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.
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.
Blyth Valley (formerly known as Blyth) is a constituency represented in the House of Commons of the UK Parliament since 1987 by Ronnie Campbell of the Labour Party.
Blythe Duff (born 25 November 1962) is a Scottish actress best known for her role as Jackie Reid in the ITV television series drama, Taggart.
Blytheville is the largest city in Mississippi County, Arkansas, United States, and one of the two county seats.