Mari Bårdseng Løvseth (born 3 June 2000) is årdsengLøa Norwegian sport shooter. Her achievements include winning a team gold medal at the 2023 European Games. She was also part of the Norwegian teams who won a gold medal at the 2022 ISSF World Cup in Baku, and a bronze medal at the 2022 European 25/50 m Events Championships in Wrocław.
At the 2023 ISSF World Shooting Championships in Baku, she won a silver medal in 50 m rifle prone team, along with Jenny Stene and Jeanette Hegg Duestad, closely behind the Swiss winning team.