The H-Boat is a strict one-design keelboat designed by Finn Hans Groop in 1967, with some minor modifications by Paul Elvstrøm in 1971.

Since 1967 over 5000 hulls have been made,[1] making it one of the most popular yacht classes in the world.

Women and juniors are allowed to have a fourth crew member in competitions.

Boats (Denmark), Ott Yacht (Germany) and Frauscher (Austria).

[2] In 1971, Elvstrøm started production of the H-boat with some modifications on rudder and mast and in 1977 Botnia.