Susan V. John (November 20, 1957 – November 22, 2021) was an American politician who served in the New York State Assembly from Monroe County, New York. A Democrat, she represented the 131st district from January 1, 1991, to December 31, 2010. She was succeeded by Harry Bronson, a fellow Democrat. She died of cancer on November 22, 2021, in Englewood, Florida, two days after her 64th birthday.