| Dai Oketani | |
| League: | B.League |
| Team: | Ryukyu Golden Kings |
| Position: | Head coach |
| Height Cm: | 163 |
| Birth Date: | 23 December 1977 |
| Birth Place: | Kyoto, Kyoto, Japan |
| Nationality: | Japanese |
| High School: | Suzaku (Nakagyō-ku, Kyoto) |
| College: | Arizona State |
| Cyears1: | 2005-2006 |
| Cteam1: | Oita Heat Devils (asst) |
| Cyears2: | 2006-2008 |
| Cyears3: | 2008-2012 |
| Cyears4: | 2012-2015 |
| Cteam4: | Iwate Big Bulls |
| Cyears5: | 2015-2018 |
| Cteam5: | Osaka Evessa |
| Cyears6: | 2018-2021 |
| Cteam6: | Sendai 89ers |
| Cyears7: | 2021-present |
| Cteam7: | Ryukyu Golden Kings |
| Highlights: |
|
is the Head coach of the Ryukyu Golden Kings in the Japanese B.League.[1] [2]
|- | style="text-align:left;"|Oita Heat Devils| style="text-align:left;"|2006| 24||11||13|||| style="text-align:center;"|5th in bj|||-||-||-||| style="text-align:center;"|-|-| style="text-align:left;"|Oita Heat Devils| style="text-align:left;"|2006-07| 40||22||18|||| style="text-align:center;"|4th in bj|||1||0||1||| style="text-align:center;"|3rd place|-| style="text-align:left;"|Oita Heat Devils| style="text-align:left;"|2007-08| 44||19||25|||| style="text-align:center;"|4th in Western|||-||-||-||| style="text-align:center;"|-|-|- style="background:#FDE910;"| style="text-align:left;"|Ryukyu Golden Kings| style="text-align:left;"|2008-09| 52||41||11|||| style="text-align:center;"|1st in Western|||4||4||0||| style="text-align:center;"|Champions|-| style="text-align:left;"|Ryukyu Golden Kings| style="text-align:left;"|2009-10| 52||33||19|||| style="text-align:center;"|2nd in Western|||4||3||1||| style="text-align:center;"|3rd place|-| style="text-align:left;"|Ryukyu Golden Kings| style="text-align:left;"|2010-11| 50||34||16|||| style="text-align:center;"|1st in Western|||4||3||1||| style="text-align:center;"|Western Champions|-|- style="background:#FDE910;"| style="text-align:left;"|Ryukyu Golden Kings| style="text-align:left;"|2011-12| 52||39||13|||| style="text-align:center;"|1st in Western|||4||4||0||| style="text-align:center;"|Champions|-| style="text-align:left;"|Iwate Big Bulls| style="text-align:left;"|2012-13| 52||34||18|||| style="text-align:center;"|4th in Eastern|||3||1||2||| style="text-align:center;"|Lost in first round|-| style="text-align:left;"|Iwate Big Bulls| style="text-align:left;"|2013-14| 52||40||12|||| style="text-align:center;"|2d in Eastern|||2||0||2||| style="text-align:center;"|Lost in second round|-| style="text-align:left;"|Iwate Big Bulls| style="text-align:left;"|2014-15| 52||41||11|||| style="text-align:center;"|2d in Eastern|||6||4||2||| style="text-align:center;"|4th place|-| style="text-align:left;"|Osaka Evessa| style="text-align:left;"|2015-16| 52||35||17|||| style="text-align:center;"|6th in Western|||4||2||2||| style="text-align:center;"|Lost in second round|-| style="text-align:left;"|Osaka Evessa| style="text-align:left;"|2016-17| 60||28||32|||| style="text-align:center;"|3rd in Western|||-||-||-||| style="text-align:center;"|-|-| style="text-align:left;"|Osaka Evessa| style="text-align:left;"|2017-18| 60||24||36|||| style="text-align:center;"|4th in Western|||-||-||-||| style="text-align:center;"|-|-| style="text-align:left;"|Sendai 89ers| style="text-align:left;"|2018-19| 60||40||20|||| style="text-align:center;"|2nd in B2 Eastern|||-||-||-||| style="text-align:center;"|-|-| style="text-align:left;"|Sendai 89ers| style="text-align:left;"|2019-20| 47||35||12|||| style="text-align:center;"|1st in B2 Eastern|||-||-||-||| style="text-align:center;"|-|-