Bjarne Reuter is a Danish writer and screenwriter best known for children's and young adult fiction. Many of his works are set in the 1950s and 1960s, the time of his childhood and adolescence. Many also feature the Copenhagen area, where he was born in Brønshøj. Reuter is the screenwriter of the popular Danish television series and movie Busters verden.

Bjørnstjerne Martinius Bjørnson was a Norwegian writer who received the 1903 Nobel Prize in Literature "as a tribute to his noble, magnificent and versatile poetry, which has always been distinguished by both the freshness of its inspiration and the rare purity of its spirit". The first Norwegian Nobel laureate, he was a prolific polemicist and extremely influential in Norwegian public life and Scandinavian cultural debate. Bjørnson is considered to be one of the four great Norwegian writers, alongside Ibsen, Lie, and Kielland. He is also celebrated for his lyrics to the Norwegian national anthem, "Ja, vi elsker dette landet". The composer Fredrikke Waaler based a composition for voice and piano (Spinnersken) on a text by Bjørnson, as did Anna Teichmüller.

Blaga Nikolova Dimitrova was a Bulgarian poet and the 2nd Vice President of Bulgaria from 1992 until 1993.

Blagovest Hristov Sendov was a Bulgarian mathematician, diplomat and politician.

Blaine Lee Pardoe is a bestselling and award-winning American author and military historian, known primarily for writing the Battletech and MechWarrior: Dark Age series of science fiction books, business management books, military history books, and true crime works. He is an avowed political conservative, incorporating anti-progressive themes into his work.

Blair Erwin Underwood is an American actor. He made his debut in the 1985 musical film Krush Groove and from 1987 to 1994 starred as attorney Jonathan Rollins in the NBC legal drama series L.A. Law.

Frédéric-Louis Sauser, better known as Blaise Cendrars, was a Swiss-born novelist and poet who became a naturalized French citizen in 1916. He was a writer of considerable influence in the European modernist movement.

Blaise Pascal was a French mathematician, physicist, inventor, philosopher, and Catholic writer.

Blaize Clement was an American writer. She is best known for her series of "Dixie Hemingway" mystery novels published by St. Martin's Press, a division of Macmillan. The series has been carried on by her son, John Clement.

John Blake Bailey is an American writer and educator. Bailey is known for his literary biographies of Richard Yates, John Cheever, Charles Jackson, and Philip Roth. He is the editor of the Library of America omnibus editions of Cheever's stories and novels.