| ID | Name | Type |
|---|---|---|
| #7742 | Julius Erving | - |
| #7743 | Julius Guest | ? |
| #7744 | Julius Winfield Erving II | + |
| #18493 | Julián Urbano Muñoz | + |
| #7745 | Jump 116 | ? |
| #20298 | Jumperror | - |
| #7746 | Jumping Stack | ? |
| #7747 | June Rowe | + |
| #7748 | Jungar | ? |
| #21208 | Junior Tomlin | + |
| #20467 | Juntelart | - |
| #19283 | Jupiter | - |
| #7749 | Jupiter Cantab | ? |
| #19084 | Jupiter Software | Z |
| #7750 | Jupiter77 | ? |
| #7751 | Jura | ? |
| #19903 | Juraj Maxon | + |
| #20195 | Juraj Sústrik | + |
| #7753 | Jure Spiler | ? |
| #7754 | Jurgen Elsing | + |