The Alfred G. Vanderbilt Handicap is an American Thoroughbred horse race held annually near the end of July at Saratoga Race Course in Saratoga Springs, New York. A Grade I event open to horses age three and older, it is a six furlong sprint raced on dirt.

Run as the A Phenomenon Handicap prior to 2000, it was renamed to honor Alfred Gwynne Vanderbilt II who died in 1999. Vanderbilt was a very prominent Thoroughbred owner who also served as Chairman of the Board of the New York Racing Association from 1971 to 1975.