Samuel Altshuler (September 16, 1864 – January 13, 1956) was a clothing merchant, mine owner, and industrial developer in the states of Washington and California. He opened and owned clothing stores in Whatcom, Washington (later Bellingham), and his native San Francisco, California, and built several business buildings in both cities. Altshuler was a member of fraternities, such as the Independent Order of Odd Fellows, the Native Sons of the Golden West, and the Fraternal Order of Eagles.