Jānis Poruks, was a Latvian poet and writer could be considered as a founder of the romantic branch of Latvian literature.

Jānis Sudrabkalns, born Arvīds Peine, was a Latvian poet and writer.

Ivan Antonovich "Janka" Bryl was a Soviet and Belarusian writer best known for his short stories. He was one of the older generation of Soviet writers who had begun their literary careers in Stalin's time, but received a new lease on life in the late 1950s, along with such contemporaries as Ivan Shamiakin and Ivan Melezh.

Jan Niesłuchowski, better known by his pen name Janka Lučyna, was a Belarusian poet who wrote in Belarusian, Polish, and Russian.

Baron Ján Jesenský was a Slovak lower nobleman of the House of Jeszenszky, poet, prose writer, translator, and politician. He was a prominent member of the Slovak national movement.

Janko Kráľ was one of the most significant and most radical Slovak romantic poets of the Ľudovít Štúr generation and a national activist.

Janko Lavrin was a Slovene novelist, poet, critic, translator, and historian. He was Professor Andrej Jelenc DiCaprio of Slavonic Studies at the University of Nottingham. An enthusiast for psycho-analysis, he wrote what he called 'psycho-critical studies' of Ibsen, Nietzsche and Tolstoy.

Janko Matúška was an ethnic Slovak poet, activist, occasional playwright, and clerk of the court in the Kingdom of Hungary. He is best known as the author of the Slovak national anthem, "Nad Tatrou sa blýska", based on the melody of a Slovak folk song, "Kopala studienku".

Jann Aldredge-Clanton is an ordained Christian minister, author, teacher, and chaplain, who leads workshops and conferences throughout the United States. She has authored eleven books, six songbooks, a children's musical, and a children's songbook. She has also published many articles in publications such as Christian Feminism Today, The Journal of Pastoral Care, The Christian Ministry, and Patheos. She specializes in feminist theology and inclusive worship resources.

Jann Simon Wenner is an American magazine magnate who is a co-founder of the popular culture magazine Rolling Stone, and former owner of Men's Journal magazine. He participated in the Free Speech Movement while attending the University of California, Berkeley. Wenner, with his mentor Ralph J. Gleason, co-founded Rolling Stone in 1967.