| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| YUAN3 | YUAN-3[1281]; | TR.DR | S | MEX |
| YUAN4 | YUAN-4[1281]; | TR.DR | S | MEX |
| YUAN5 | YUAN-5[1281]; | TR.DR | S | MEX |
| YUAN | YUAN-YANG[3692]; | TR.DR | S | MEX |
| UB | YUBILEINA[1281]; | TR.AE | BGR | |
| JBJ | YUBILEINAYA[1281] | TR.DR | W | UKR |
| YUG | YUGOSLAVIA[1281]; | TR.AE | TK | |
| N84,2 | YUKICHABO[1281] | TR.AE | JPN | |
| YK | YUKON[3733] | TR.AE | W | USA |
| YKN | YUKON,MEX[144][1281]; | TR.AE | S | MEX |
| YKS | YUKSEON[1281]; | TR.AE | KOR | |
| YSU | YUKSEUNG[1281]; | TR.AE | KOR | |
| YSU3 | YUKSEUNG-3[1281]; | TR.AE | KOR | |
| YUMAD | YUMA[3733] | TR.AE | S | USA |
| YU,1 | YUMA,AE; | TR.AE | W | USA |
| YU,2 | YUMA,DR; | TR.DR | S | USA |
| YUN | YUN-78-11[1281]; | TR.AE | CHN | |
| YKW | YUNG-KWANG[1281]; | TR.AE | KOR | |
| YNN,2 | YUNNAT[3733] | TR.AE | W | UKR |
| YUN437 | YUN-ZHI-437[1281] | TR.AE | CHN |