is an English professional footballer who plays as a forward for Women's Super League club Arsenal, on loan from Manchester City, and the England national team. Kelly started her senior career at Arsenal, prior to going on loan to Everton, and joining the team permanently in 2018. With Manchester City, she is a 2019–20 FA Cup and 2021–22 League Cup winner, has twice been named in the PFA WSL Team of the Year, and was the joint top assist provider in the 2020–21 WSL season. With Arsenal, she is a 2024–25 UEFA Champions League winner.

Kelly represented England from U17 to U20 levels, before making her senior debut in 2018. She represented England in Euro 2022, where as a substitute she scored the winning goal in the final. Kelly was awarded the Golden Boot in the 2023 Arnold Clark Cup, scored the winning penalty in the shoot-out at the 2023 Women's Finalissima, and is a 2023 World Cup runner-up with England.