| Mari Holm Lønseth | |
| Term Start: | 1 October 2017 |
| Constituency: | Sør-Trøndelag |
| Birth Date: | 29 August 1991 |
| Birth Place: | Trondheim, Sør-Trøndelag, Norway |
| Nationality: | Norwegian |
| Alma Mater: | University of Oslo |
| Occupation: | Jurist Politician |
| Party: | Conservative |
Mari Holm Lønseth (born 29 August 1991) is a Norwegian jurist and politician. A member of the Conservative Party, she has served as member of parliament for Sør-Trøndelag since 2017.[1]
Holm Lønseth was a member of the Norwegian Young Conservatives of Trondheim, which she also led between 2010 and 2011. She went on to join the Sør-Trøndelag county branch of the Young Conservatives, which she led between 2011 and 2013.[1]
She was elected to the Trondheim Municipal Council at the 2011 local elections. She was re-elected in 2015 and sat until 2019.[2]
Holm Lønseth was elected to the Storting, the Norwegian parliament, at the 2017 election and win re-election in the 2021 election.[1]
Holm Lønseth married Progress Party member of parliament Sivert Bjørnstad in March 2024.[3]