Onozawa

• Aiko Onozawa, Japanese volleyball player
• Hirotoki Onozawa, Japanese rugby union player
• Kaori Onozawa, Japanese handball player
• Ryoko Onozawa, Japanese speed skater
• Toshiki Onozawa, Japanese footballer

  Fictional characters

• Mirai Onozawa, a character in the anime series Tokyo Magnitude 8.0