Irohahime (五郎八姫, August 2, 1594 – June 4, 1661) was a Japanese noble lady and aristocrat from the Sengoku period and Edo period. She was the first daughter of Date Masamune and Megohime, as well as the wife of Matsudaira Tadateru, the sixth son of Tokugawa Ieyasu. Her Buddhist name is Tenrin'in (天麟院).