Aerin Jordan Frankel (born May 24, 1999) is an American professional ice hockey goaltender for the Boston Fleet of the Professional Women's Hockey League (PWHL) and member of the United States women's national ice hockey team. She is a two-time IIHF Women's World Championship gold medalist (2023, 2025) and silver medalist (2024), having served as Team USA's primary goaltender at three consecutive World Championships.

In college hockey, Frankel was one of the most decorated goaltenders in NCAA history. At Northeastern University, she set program records for save percentage, goals-against average, wins, and shutouts, and led the Huskies to the 2021 NCAA championship game.

Professionally, Frankel has established herself as one of the PWHL's premier goaltenders. Boston fans and media have nicknamed her the "Green Monster" after the iconic left field wall at Fenway Park.