Armin Hansen (1886–1957), a native of San Francisco, was a prominent American painter of the en plein air school, best known for his marine canvases. His father Herman Wendelborg Hansen was also a famous artist of the American West. The younger Hansen studied at the California School of Design in the Mark Hopkins Institute of Art (now the San Francisco Art Institute) and in Europe. He achieved international recognition for his scenes depicting men and the sea off the northern coast of California. He was elected an Associate to the National Academy of Design in 1926 and an Academician in 1948.