Karin Maj Britt Margareta Theorin was a Swedish social democratic politician and diplomat. She served as a member of the Parliament of Sweden from 1971 to 1995, and as a Member of the European Parliament from 1995 to 2004 and president of the Committee of Women's Rights and Equality in EP and a member of the Committee of Foreign Affairs and Security in EP and a member of the board from EP of ACP; African Caribbean Pacific.