Abby Gustaitis (born May 9, 1991) is an American rugby union player. She debuted for the United States against France 2016. She was selected for the squad to the 2017 Women's Rugby World Cup in Ireland. Gustaitis was introduced to the sport of rugby by a friend while attending the University of Maryland. After the 2017 World Cup she was recruited to the University of Canberra's sevens team.