Janson is a Scandinavian patronymic surname, meaning "son of Jan", derived from Johannes. There are alternate Belgian, Dutch, Danish, Latvian, Norwegian and Swedish spellings. Janson is uncommon as a given name. People with the name Janson or its variants include:
Anton Janson (1620–1687), Dutch printer and typographer after whom the font "Janson" is named
Charles Auguste Marie Joseph, Comte de Forbin-Janson (1785–1844), French Bishop of Nancy and Toul, and founder of the Association of the Holy Childhood
Ciara Janson (born 1987), English actress
David Janson (born 1950), English actor and father of Ciara Janson
Ernest A. Janson (1878–1930), highly decorated United States Marine of World War I
H. W. Janson (1913–1982), American art historian
Horst Janson (actor), German film and television actor
Klaus Janson (born 1952), American comic book artist
Marie Janson (1873–1960), Belgian politician and first woman to serve in the Belgian Senate; sister of Paul-Émile Janson
Oscar Janson (born 1975), Swedish athlete
Paul Janson (1840–1913), Belgian liberal politician; father of Paul-Émile Janson and Marie Janson
Paul-Émile Janson (1872–1944), Belgian liberal politician, brother of Marie Janson
Svante Janson, Swedish mathematician
Alternate spelling
Mariss Jansons (born 1943), Latvian conductor
