Samuel Walton Garman (June 5, 1843 – September 30, 1927), or "Garmann" as he sometimes styled himself,[2] was an American naturalist and zoologist.

In 1868 he joined an expedition to the American West with John Wesley Powell.

In 1871, he became professor of natural sciences in Ferry Hall Seminary, Lake Forest, Illinois, and a year later became a special pupil of Louis Agassiz.

[3] He was a friend and regular correspondent of the naturalist Edward Drinker Cope, and in 1872 accompanied him on a fossil hunting trip to Wyoming.

In 1870 he became assistant director of herpetology and ichthyology at Harvard's Museum of Comparative Zoology.