List of Famous people with last name Iwai

Shimako Iwai is a Japanese writer, tarento, and pornographic director. From June 2009 she is represented with Horipro. She serves as a regular commentator in the Tokyo MX series 5-Ji ni Muchū!

Shunji Iwai is a Japanese film director, video artist, writer and documentary maker.

Yukiko Iwai , also known by the nickname Yūyu , is a Japanese singer and actress born May 26, 1968 in Yokohama, Kanagawa Prefecture, Japan. Iwai was a member of the all-girl pop group Onyanko Club, and she was the shortest of all the members at 150 centimetres. She was also half of the pop group Ushiroyubi Sasaregumi, a spin-off group of Onyanko Club. She graduated from Kaetsu Women's Junior High and High School, but left Kaetsu Women's Junior College before she finished. She is the younger in a set of identical twins.

Shigeki Iwai is a Japanese politician who has served as a member of the House of Councillors of Japan since 2010. He represents the Shizuoka at-large district and is a member of the Liberal Democratic Party.