Freja Siri Margareta Olofsson (born 24 May 1998) is a Swedish professional footballer who plays as a midfielder for Liga F club Madrid CFF.
Olofsson began her professional career with KIF Orebro, making 69 appearances for the Swedish club. After tearing her ACL after seven appearances with Arna-Bjørnar, Olofsson returned in 2020 with KIF and scored twice in 21 appearances.
She signed a one-year contract with National Women's Soccer League club Racing Louisville FC in 2021, starting 20 league matches in her first season. She signed a three-year contract with Racing Louisville in May 2022, but started only 9 league matches in her second season before being transferred under new manager Kim Björkegren.
On 7 September 2022, Racing announced the transfer of Olofsson to Real Madrid four months into her three-year contract with Racing, in exchange for an undisclosed transfer fee.