Helsinki Book Fair is the largest literary event in the Nordic countries and one of Finland's most significant cultural forums. It brings together readers, authors, publishers, booksellers, media, and industry professionals around books, reading, language, and contemporary cultural discussion.

The 2026 edition takes place on 22-25 October 2026 at Helsinki Expo and Convention Centre. The theme is Language, and the fair presents nearly one thousand programme sessions each year. The event is also co-located with the Wine and Food Fair, with access to both events on the same ticket.

Product categories cover publishers, booksellers, antiquarian book stores, magazines, comics, museums and libraries, eBooks, associations, maps and cards, printing and graphic design, multimedia recordings, stamps, and related products and services.