Hermannus Jantinus van Veen (born 14 March 1945) is a Dutch stage performer, actor, author, singer-songwriter and musician. He worked with accompanists Laurens van Rooyen and Erik van der Wurff, both were pianist annex composer.
In addition to performing internationally, van Veen is famous as the creator of Alfred J. Kwak (1976). The original one-man theatre show was adapted as a Dutch-German-Japanese cartoon (1989), which was broadcast internationally. In addition to creating the show's story, van Veen also wrote, composed and performed most of the show's music.
He also performed the voice-overs for the characters Johan Sebastian Kwak, Krabnagel de Kater and Professor Paljas (Professor Buffon) in the Dutch and German versions of Alfred J. Kwak.