Nagai (written: 永井 lit. eternal well or 長井 lit. "long well") is a Japanese surname. Notable people with the surname include:
- Fujio Nagai (永井 希仁男, 1951–2007), Japanese boxer
- Go Nagai, Japanese manga artist
- Hazuki Nagai (born 1994), Japanese field hockey player
- Hina Nagai (長井 陽菜, born 2003), a member of K-Pop girl group, LIGHTSUM
- Jordan Nagai (born 2000), American former voice actor
- Jun Nagai (born 1944), Japanese middle-distance runner
- Kafū Nagai, Japanese novelist, playwright, essayist, and diarist
- Kenji Nagai, Japanese journalist, killed in Myanmar
- Kensuke Nagai, Japanese footballer
- Koji Nagai, Japanese businessman, CEO of Nomura Holdings
- Michiko Nagai, Japanese writer
- Mitsuya Nagai (長井 満也, born 1968), Japanese mixed martial artist, kickboxer and professional wrestler
- Ryo Nagai, Japanese footballer
- Shunta Nagai (永井 俊太, born 1982), Japanese footballer
- Takashi Nagai, Japanese radiologist and Catholic writer
- Tatsuo Nagai, Japanese writer
- Yasutomo Nagai (1965–1995), Japanese motorcycle racer
- Yuri Nagai (born 1992), Japanese field hockey player
Surname listThis page lists people with the surname Nagai. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Categories: