Sheets of Spain, 2001
| Issuer | Date | Desc | State | ||
| - |  |
Spain | 4/26/2001 | empty sheet (#9888) | incomplete |
| - | no image | Spain | 9/21/2001 | empty sheet (#65044) | incomplete |
| - |  |
Spain | 10/4/2001 | empty sheet (#9889) | incomplete |
| - |  |
Spain | 10/4/2001 | empty sheet (#9890) | incomplete |
| - | no image | Spain | 10/19/2001 | empty sheet (#65045) | incomplete |
| - | no image | Spain | 11/8/2001 | empty sheet (#65046) | incomplete |
| - | no image | Spain | 11/30/2001 | UNESCO 2001, sheet of 12 types | |
| - | no image | Spain | 12/11/2001 | 150th Anniversary of the Ministry for Development, empty sheet (#65048) | incomplete |
| - |  |
Spain | 12/14/2001 | empty sheet (#9891) | incomplete |
| - | no image | Spain | 12/14/2001 | 25th Anniversary of the Reign of King Juan Carlos I, sheet of 7 types | incomplete |