János Nyíri was a theatre director, journalist and writer. He wrote several highly acclaimed plays and novels, including Battlefields and Playgrounds, recognized by The Observer as the most important novel written by a survivor of the Holocaust.

János Pilinszky was one of the greatest Hungarian poets of the 20th century.

János Rózsás (6 August 1926 – 2 November 2012) was a Hungarian writer.

János Vajda was a Hungarian poet and journalist. His first poetry was published in Életképek in 1844. He was a member of the Kisfaludy Society.

Janosch is a German children's author and illustrator.

Jansug Charkviani was a Georgian poet. He was a member of the Parliament of Georgia from 1992 to 2004.

Jens Hendrik Oliver Djurhuus, called Janus Djurhuus, was the first modern Faroese poet. He and his younger brother Hans Andreas Djurhuus, also a poet, are called the Áarstova brothers after the house where they grew up.

Janus Pannonius was a Hungarian Latinist, poet, diplomat and Bishop of Pécs. He was the most significant poet of the Renaissance in the Kingdom of Hungary and one of the better-known figures of humanist poetry in Europe.

Janusz Christa was a Polish author of comic books, creator of the comic book series Kajtek i Koko and, perhaps his most well-known, the Kajko i Kokosz series. He debuted in 1957 and many of his works have been printed in the Wieczór Wybrzeza and Świat Młodych magazines. He stopped creative work in the 1990s due to declining health.

Janusz Andrzej Głowacki, better known as Janusz Głowacki or colloquially simply as Głowa, was a Polish playwright, essayist and screenwriter. Głowacki was the recipient of multiple awards and honours, including Guggenheim Fellowship, two Nike Award nominations and BAFTA Award nomination. He was awarded the Gloria Artis Gold Medal in 2005 for his contribution to Polish culture, and in 2014, the Commander's Cross of the Order of Polonia Restituta.