Mari Holm Lønseth (born 29 August 1991) is a Norwegian jurist and politician.

[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] Holm Lønseth married Progress Party member of parliament Sivert Bjørnstad in March 2024.

This article about a Norwegian politician born in the 1990s is a stub.