Minamidai (南台) is a district of Nakano, Tokyo, Japan.

Minamidai borders Yayoichō in the north, Honmachi to the east, Sasazuka and Hatagaya to the south, and Hōnan to the west.

Nakano City Board of Education (中野区教育委員会) operates public elementary and junior high schools.

3-5-chome are zoned to Minamidai Elementary School (南台小学校).

All residents are zoned to Minami Nakano Junior High School (南中野中学校).