Karen Melchior (born 15 October 1980)[3] is a Danish lawyer and politician, formerly of the Social Liberal Party, who has served as a Member of the European Parliament in 2019–2024.

[5] Melchior ran on the Danish Social Liberal Party's ticket in the European Parliament Election of 2014, where she was elected to the position of first alternate MEP for the party.

[14] Melchior resigned from the Social Liberal Party in August 2022 but remained a member of the European Parliament until the end of her mandate.

[15] In 2021, it was alleged that Melchior on several occasions harassed her assistants in her office in the European Parliament.

At least three of her assistants ended up on sick leave due to the harassment.