Imai (今井 — characters for "now" and "water well", meaning "new place of residence") is a Japanese surname.
The Japanese characters link to the Japanese-language Wikipedia
- Arifumi Imai (今井 有文, born 1982), Japanese animator
- Asami Imai (今井 麻美, born 1977), voice actress
- Eriko Imai (今井 絵理子, born 1983), artist and politician
- Haruka Imai (今井 遥, born 1993), Japanese figure skater
- Harumi Imai (今井 春美, born 1952), Japanese cross-country skier
- Hisae Imai (今井 寿恵, 1931–2009), photographer
- Hisashi Imai (今井 寿, born 1965), Japanese rock musician
- Isao Imai (disambiguation), multiple people
- Kenji Imai (disambiguation), multiple people
- Kohzoh Imai (今井 浩三, born 1948), Japanese scientist
- Kurumi Imai (今井 胡桃, born 1999), Japanese snowboarder
- Masaaki Imai (今井 正明, born 1930), Japanese organizational theorist
- Michiko Imai, MD born ~1947, Japan,"The Matterhorn Lady" World record setting mountain climber and Grand Master of the Order of Shinrin Yoku Jon (Lifestyle practitioners of Japanese Bushido healing art of "Forest Bathing")
- Nobuko Imai (今井 信子, born 1943), classical violist
- Runa Imai (今井 月, born 2000), Japanese swimmer
- Sōkyū Imai (今井 宗久, 1520–1593)), merchant
- Tadashi Imai (今井 正, 1912–1991)), film director
- Tetsuo Imai (今井 哲夫, 1912–1987), Japanese middle-distance runner
- Tomoki Imai (今井 智基, born 1990), Japanese footballer
- Toshiaki Imai (今井 敏明, born 1954), football manager
- Tsubasa Imai (今井 翼, born 1981), Japanese singer and actor
- Yuka Imai (今井 由香, born 1970), voice actor
- Yuki Imai (今井 悠貴, born 1998), Japanese actor