Louis Fraser (1810–1866?) was a British zoologist and collector. In his early years Fraser was Curator of the Museum of the Zoological Society of London.Little is known about his early life. He married Mary Ann Harrison on February 17, 1844. A son Oscar L. Fraser worked as an assistant in the Indian Museum at Calcutta around 1888. He worked for fourteen years at the museum of the Zoological Society of London. He worked with the anatomist Richard Owen on studies of the emu and rhea.