| Pos | Name | Country | stamps | Since |
|---|---|---|---|---|
| 245 | Alfaro Castro Gerardo | Costa Rica | 102 | 10/06/2013 |
| 122 | Alfaro Noe | Costa Rica | 991 | 08/05/2015 |
| 257 | Alen Jonathan | España | 105 | 19/04/2010 |
| 733 | Alemão Emerson Garcia Lourenço | Brasil | 2 | 31/10/2011 |
| 214 | Aleman Begoña | Perú | 313 | 08/07/2011 |
| 924 | Alegria Ruiz Ruben | España | 1 | 01/03/2014 |
| 793 | Aldana Ernestoa | Colombia | 2 | 11/05/2021 |
| 589 | Alcazar Rodriguez Manuel | España | 10 | 10/06/2013 |
| 862 | Alcantara Gomez Socorro Virgilio | México | 2 | 13/03/2011 |
| 860 | Alcantara Virgilio | México | 1 | 05/03/2011 |
| 597 | Alcala Jose | España | 1 | 10/01/2010 |
| 687 | Alberto Carlos | Argentina | 3 | 16/01/2012 |
| 763 | Albarenque Carlos Javier | Argentina | 2 | 02/12/2013 |
| 499 | Albalat Sánchez Adrián | España | 11 | 22/02/2016 |
| 807 | AlarcÓn Roberto | España | 2 | 03/09/2012 |
| 787 | Alarcon Andres | España | 2 | 06/03/2020 |
| 377 | Alacid Remedios | España | 17 | 14/06/2009 |
| 933 | Aiesta Pauloa | España | 1 | 19/12/2013 |
| 197 | Aguirre Alejandro | España | 72 | 27/06/2008 |
| 164 | Aguirre Eduardo | México | 232 | 12/11/2012 |