Mai Tachihara, born on February 16, 1967, is a Japanese actress and jazz singer known for her dynamic talents. Her birth name is Ritsuko Iwayama.

She is affiliated with the agency Friend's List. Hailing from Tokyo, Mai Tachihara's journey into the world of entertainment began at a young age. During her high school years at Kanagawa Prefectural Shichirigahama High School, she was drawn to acting.