Rita Karen Olsen Beck was a Danish American-Costa Rican diplomat, politician and social worker. She served as the First Lady of Costa Rica during the governments of her husband José Figueres Ferrer 1954–1958 and 1970–1974, a Legislative Assemblywoman and the Ambassador of Costa Rica to Israel. She was the oldest living past first lady of Costa Rica following the death of Marita Camacho Quirós in 2025.