People with the last name Otani in Illinois
- Aki Otani
- Akiko Otani
- Arthur Otani
- Chieko Otani
- Daniel Otani
- Emily Otani
- Fumikazu Otani
- Haruhide Otani
- Hideko Otani
- Hiromi Otani
- Hiroshi Otani
- Hitoshi Otani
- Kaoru Otani
- Karen Otani
- Karyn Otani
- Kazuhito Otani
- Keiko Otani
- Kimiyo Otani
- Masako Otani
- Masashi Otani
- Masatoshi Otani
- Mikiko Otani
- Mikio Otani
- Mitsutosh Otani
- Naoyuki Otani
- Nina Otani
- Paula Otani
- R Otani
- Rumiko Otani
- Shamir Otani
- Shigeo Otani
- Shiraz Otani
- Takaaki Otani
- Takakimi Otani
- Takashi Otani
- Tina Otani
- Toshiaki Otani
- Toshio Otani
- Tsutomu Otani
- Vincent Otani
- Yoshinari Otani
- Yukari Otani
- Yukinori Otani
- Zion Otani
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