| Tadashi Hayashi | |
| Birth Date: | 29 June 1962 |
| Birth Place: | Osaka Prefecture |
| Nationality: | Japanese |
| Position: | Head coach |
| College: | |
| Cyears1: | 1987-1990 |
| Cteam1: | Sekisui Chemiclas (asst.) |
| Cyears2: | 1990-2002 |
| Cteam2: | Swish |
| Cyears3: | 2003-2005 |
| Cyears4: | 2007-2010 |
| Cteam4: | Akashi Shimizu HS |
| Cyears5: | 2010-2012 |
| Cteam5: | Tokuyama University |
| Cyears6: | 2012 |
| Cteam6: | Gunma Crane Thunders |
is the former Head coach of the Gunma Crane Thunders in the Japanese Bj League.[1]
|-| style="text-align:left;"|Gunma Crane Thunders| style="text-align:left;"|2012| 8||0||8|||| style="text-align:center;"| Fired|||-||-||-||| style="text-align:center;"|-|-