| Pos | Name | Country | stamps | Since |
|---|---|---|---|---|
| 424 | Sánchez Juan Pedro | España | 65 | 10/09/2011 |
| 935 | Sanchez Jesus | Perú | 1 | 23/09/2012 |
| 375 | Sanchez Jesus | España | 27 | 31/10/2013 |
| 576 | Samper Santos Oriol | España | 3 | 06/10/2010 |
| 282 | Salvador Juan | España | 29 | 15/03/2009 |
| 527 | Salla Roger | España | 6 | 12/04/2019 |
| 173 | Salinas Sandra | España | 280 | 24/08/2011 |
| 440 | Salima David | Venezuela | 6 | 24/12/2010 |
| 532 | Salguero Jacobo Alejandro | Guatemala | 19 | 14/11/2010 |
| 594 | Saldivia Gabriela | Chile | 7 | 28/05/2011 |
| 501 | Saldarrriaga Noreña Mauricio | Colombia | 10 | 05/11/2015 |
| 387 | Salbador Alfonso | México | 22 | 07/09/2010 |
| 1005 | Salazar Lopez Francisco | España | 1 | 09/03/2014 |
| 719 | Salas Jalid | Marruecos | 2 | 29/05/2014 |
| 681 | Sahuquillo Jorge | España | 3 | 27/08/2012 |
| 415 | Sagastume Roberto | Guatemala | 14 | 08/11/2009 |
| 564 | Sadud Faisal | Bolivia | 4 | 07/08/2009 |
| 148 | Sacchi Yermans | España | 326 | 22/09/2009 |
| 263 | Ruiz Ruiz Fernando | España | 185 | 02/06/2018 |
| 292 | Ruiz Jose Luis | España | 54 | 04/05/2010 |