Hovhannes Semerdjian (March 9, 1920 – August 27, 2013), known as Jansem or Jean Semerjian, was an French-Armenian painter. Jansem's artworks are internationally known, and are part of museum collections throughout France, Japan and the United States. He was awarded by the Ordre des Arts et des Lettres in 1953 and by the Knight of the French Legion of Honour in 2003. The President of Armenia awarded Jansem a Medal of Honor for his “reinforcement of Armenian-French cultural ties.”