Yokoyama Matsusaburō (横山 松三郎, 1838–1884) was a pioneering Japanese photographer, artist, lithographer and teacher. Yokoyama was born Yokoyama Bunroku (横山 文六) in Iturup (then under Japanese control) on 10 October 1838. Early in his life, Yokoyama and his family moved to Hakodate, where in 1854 he was first exposed to photography on seeing daguerreotypes by and . At the age of fifteen he was apprenticed to a kimono dealer, and during this time developed an interest in painting. A few years later, as an assistant to the Russian painter Lehman, he was exposed to Western painting styles and helped sketch the surroundings of the Russian Consulate in Hakodate. With a view to improving his landscape painting, Yokoyama started to learn photography. He travelled to Yokohama and studied photography