| Chang-hyuk Ok (Suwon, KR) | Jerry Ok (Canyon County, CA) | Seung-Han Ok (Busan, KR) |
| Chiyoung Ok (Seoul, KR) | Jerry Ok (Glendale, CA) | Seung-Hun Ok (Chonbuk, KR) |
| Choong-Suk Ok (Busan Metropolitan, KR) | Jung-Soo Ok (Yongin-si, KR) | Sung Han Ok (Seoul, KR) |
| Do Young Ok (Kyoungki-do, KR) | Kwang D. Ok (Suwon, KR) | Sung Il Ok (Kawacheon, KR) |
| Dong Ok (Edison, NJ) | Kwang D. Ok (Seoul, KR) | Thol Ok (Chattanooga, TN) |
| Do-Young Ok (Kyoungki-do, KR) | Kwang Dae Ok (Suwon, KR) | Akihiko Oka (Kawasaki, JP) |
| Gyeong-sik Ok (Busan-si, KR) | Kwang-Man Ok (Yongin-si, KR) | Akihiko Oka (Kanagawa, JP) |
| Gyeong-sik Ok (Busan, KR) | Kwang-Man Ok (Pundang-gu, Songnam-shi Kyonggi-do KR) | Akihiko Oka (Musashino, JP) |
| Huyn O. Ok (Edison, NJ) | Kwang-Man Ok (Songnam-shi, KR) | Akihiko Oka (Kokubunji, JP) |
| Hyun Ok (Edison, NJ) | Kwang-man Ok (Kyungki-do, KR) | Akihiro Oka (Mie, JP) |
| Hyun O. Ok (Colonia, NJ) | Min-Ho Ok (Suwon, KR) | Akihisa Oka (Osaka, JP) |
| Hyun O. Ok (Edison, NJ) | Myoung Jin Ok (Seoul, KR) | Akinori Oka (Tokushima, JP) |
| Hyunwook Ok (Goyang-si, KR) | Myoung Jin Ok (Kyonggi-do, KR) | Atsushi Oka (Yokohama, JP) |
| Hyunyoung Ok (Atlanta, GA) | Myoung Jin. Ok (Seoul, KR) | Atsushi Oka (Osaka, JP) |
| Jae Chul Ok (Seoul, KR) | Se-Il Ok (Seoul, KR) | Eisaku Oka (Hitachinaka, JP) |
| Jeong-Bin Ok (Gyeonggi-do, KR) | Seung Han Ok (Chungcheongbuk-do, KR) | Eisaku Oka (Ibaraki, JP) |
| Jerry Ok (Canyon Country, CA) | Seung Hun Ok (Jeollabuk-do, KR) | |
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