Picardan or Picardan Blanc is a white wine grape which is one of 13 permitted blending grape within the Châteauneuf-du-Pape AOC in Rhône wine region in France, altohough very little planted. The Vitis International Variety Catalogue lists Oeillade Blanche as the prime name of the variety. However, since the variety is practically unknown for any other use than the Châteauneuf-du-Pape blend, it usually goes under the name used for it in that appellation.
Picardan gives a wine which considered to be light and rather neutral in character.
Synonyms include: Aragnan, Aragnan Blanc, Araignan, Araignan Blanc, Gallet, Gallet Blanc, Grosse Clairette, Milhaud Blanc, Oeillade Blanche, Papadoux, Picardan, Picardan Blanc, Piquardan, Piquardant.
Picardan is also a synonym for the white grape variety Bourboulenc, which is also found in Châteauneuf-du-Pape, and the dark-skinned variety Bouchales. Picardan Noir is a synonym for Cinsaut and Bouchales.
Picardan is also the name of a historical white wine from Languedoc, usually sweetish in character, traded in the late 17th and 18th centuries. It is supposed to have been produced from the varieties Clairette Blanche and Piquepoul Blanc.