Shannon O'Brien (born 5 October 2001) is an English professional football forward who plays for LCrystal Palace. The 19-year-old came through the ranks at Aston Villa and made her senior debut for Coventry United in 2018. She made 12 appearances for the West Midlands side in all competitions in 2019/20, scoring five goals, and then featured 10 times the following campaign, finding the net once, before making the move to the Foxes. On 7 March, 2021, O'Brien opened her account for the Foxes with a brace of well-taken goals in a 7-0 win at London Bees in the FA Women's Championship.