Joan Alexander-Serrano (; born 1 February 1961) is a Grenadian former cricketer who played as a right-handed batter and right-arm medium bowler. She appeared in one Test match for the West Indies in 1976. She played domestic cricket for Grenada. She went on to play two List A matches for the United States in 2011.
In 2020, Alexander-Serrano was appointed by USA Cricket as chair of its selection panel for the USA women's national team. She was reappointed to a second three-year term in 2023.