Tsuboi

• Keisuke Tsuboi, Japanese footballer
• Sakae Tsuboi, Japanese writer and poet
• Shigeji Tsuboi, Japanese poet
• Sho Tsuboi, Japanese racing driver
• Tatsuya Tsuboi, Japanese figure skater
• Tomochika Tsuboi, Japanese baseball player
• Tomohiro Tsuboi, Japanese voice actor
• Unoko Tsuboi, Japanese swimmer