Rei Dan
- Born
- 4 August 1971 (55 years)
- Place of birth
- Shin-Onsen, Hyogo, Japan
- Gender
- Female
Mayumi Yamazaki (山崎 まゆみ Yamazaki Mayumi, born August 4, 1971), known professionally as Rei Dan (檀れい Dan Rei), is a Japanese actress. She began her career as a member of the Takarazuka Revue. She was nominated for Best Supporting Actress at the 32nd Japan Academy Prize for Kabei: Our Mother.
