First names for Katyama
- Yutaka Katyama
- Yuri Katyama
- Takeo Katyama
- Susumu Katyama
- Sakyo Katyama
- Saki Katyama
- Ryoma Katyama
- Naoto Katyama
- Nao Katyama
- Masaya Katyama
- Mariko Katyama
- Mamoru Katyama
- Kengo Katyama
- Kazuyuki Katyama
- Hideki Katyama
- Daniely Katyama