Albertson Van Zo Post (July 28, 1866 – January 23, 1938) was an American fencer and writer. He earned two gold medals in the 1904 Summer Olympics as well as a silver and two bronze medals, and also competed in the 1912 Summer Olympics. He was also an author, penning the novels Retz (1908) and Diana Ardway (1913), the latter of which was adapted into the 1919 silent comedy Satan Junior. In 1933, at the age of 65, Post married the educator Meta Louise Anderson. Post died in New York City in 1938, and his widow died in 1942.