Rianna Dean (born 21 October 1998) is an English professional footballer who plays as a forward for Southampton in the FA Women's Championship.
Upon the conclusion of her year at Millwall, Dean moved to Tottenham Hotspur for the 2018–19 season. After scoring six goals in three games, including a hat-trick against her former club, Millwall, Dean was voted FA Women's Championship October Player of the Month.