Samuel Greene Wheeler Benjamin (February 13, 1837 – July 19, 1914) was an American statesman.
His parents were American missionaries in Greece. Born in Argos, Greece, but then educated in the United States, he pursued careers as a journalist, author, and diplomat. In 1883, he was appointed as the first American Minister to Persia, a post he occupied for two years.
It was he who first drafted the diplomatic code used by the American legation in Persia.