| Pos | Name | Country | stamps | Since |
|---|---|---|---|---|
| 121 | Alfaro Noe | Costa Rica | 991 | 08/05/2015 |
| 245 | Alfaro Castro Gerardo | Costa Rica | 102 | 10/06/2013 |
| 693 | Alfocea Salgueiro Roberto | España | 3 | 31/07/2019 |
| 436 | Almeida Víctor | España | 14 | 17/11/2009 |
| 748 | Alonso Fco | España | 3 | 25/03/2012 |
| 87 | Alonso Garcia Rafael | España | 4891 | 04/04/2021 |
| 722 | Alonso Gonzalez Jose Enrique | España | 2 | 06/08/2012 |
| 98 | Alonso Rodal Manuel | España | 1875 | 03/08/2018 |
| 479 | Alvarado Esaú | México | 76 | 02/05/2022 |
| 278 | Alvarado Cano Ismael | Costa Rica | 100 | 31/03/2012 |
| 145 | Alvarado Flores Marcos | México | 498 | 23/02/2012 |
| 814 | Alvarado Isunza Eduardo José | México | 1 | 18/12/2017 |
| 350 | Alvarez Jose Antonio | España | 17 | 21/05/2009 |
| 706 | Alvarez Jose | Alemania | 1 | 19/11/2010 |
| 309 | Alvarez William | Venezuela | 70 | 29/01/2012 |
| 746 | Alzamora Cesar | Perú | 1 | 03/11/2009 |
| 826 | Amador Manuel | España | 2 | 06/06/2015 |
| 936 | Amo Martinez Juan Jesus | España | 1 | 17/06/2012 |
| 209 | Anderson John Michael | Colombia | 158 | 14/05/2013 |
| 573 | Andrade Rodolfo | Chile | 6 | 18/04/2020 |