She first played internationally as an under-15, and continued to feature for Norway through U23 level. Olsen has played for
Amazon Grimstad,
AIK Fotboll Dam,
Klepp IL,
Røa IL and
Fløy. In June 2015, Olsen terminated her contract with Arna Biørnar by mutual consent. In July, during the FA Women's League mid-season break, she signed for
Sunderland. In September 2017, Olsen transferred to
Ayia Napa FC. In 2018, whilst playing for
Lyn, she refused to support a
gay pride initiative in which players held up posters before a
Toppserien match with
Vålerenga. She was the only player who refused. In 2019, Olsen signed for Norwegian club
Kolbotn. In 2021, Olsen played for Amazon Grimstad, and in August 2021, she played against her sister Karen Andrea Olsen, who was goalkeeper for
Gimletroll. ==References==