First names for Wataoka
- Hiromi Wataoka 2
- Hideyuki Wataoka 2
- Haruka Wataoka 2
- Ayako Wataoka 2
- Yuri Wataoka
- Yohei Wataoka
- Shinobu Wataoka
- Ryuuji Wataoka
- Kousaku Wataoka
- Kosaku Wataoka
- Kazuo Wataoka
- Kanako Wataoka
- John Wataoka
- Catherine Wataoka
- Albert Wataoka