Johan Jakob Nervander was a Finnish poet, physicist and meteorologist.

Johan Ludvig Heiberg, Danish poet, playwright, literary critic, literary historian son of the political writer Peter Andreas Heiberg (1758–1841), and of the novelist, afterwards the Baroness Gyllembourg-Ehrensvärd, was born in Copenhagen. He promoted Hegelian philosophy and introduced vaudeville to Denmark.

Johan Ludvig Runeberg was a Finnish priest, lyric and epic poet. He wrote exclusively in Swedish. He is considered a national poet of Finland. He is the author of the lyrics to Vårt land which became an unofficial Finnish national anthem. Runeberg was also involved in the modernization of the Finnish Lutheran hymnal and produced many texts for the new edition.

Johan Norberg is a Swedish author and historian of ideas, devoted to promoting economic globalization and what he describes as classical liberal positions. He is arguably most known as the author of In Defense of Global Capitalism (2001) and Progress: Ten Reasons to Look Forward to the Future (2016). Since 15 March 2007 he has been a senior fellow at the Cato Institute, and since January 2017 an executive editor at Free To Choose Media, where he regularly produces documentaries for US public television.

Johan Nordahl Brun was a Norwegian-Danish poet, dramatist, bishop of Bergen (1804–1816), and politician who contributed significantly to the growth of national romanticism in Norway, contributing to the growing national consciousness.

Johan Sebastian Cammermeyer Welhaven was a Norwegian author, poet, critic, and art theorist. He has been considered "one of the greatest figures in Norwegian literature."

Johan Skjoldborg was a Danish educator, novelist, playwright and memoirist.

Johan Theorin is a Swedish journalist and author. Throughout his life, Johan Theorin has been a regular visitor to the island of Öland in the Baltic sea. His mother’s family—sailors, fishermen and stone cutters—have lived there for centuries, nurturing the island’s legacy of supernatural tales and folklore.

Johan van Heemskerk (1597–1656), Dutch poet, was born at Amsterdam.

Johan Widekindi was a Swedish historian and academic.