| Pos | Name | Country | stamps | Since |
|---|---|---|---|---|
| 650 | Molina María Gisella | Argentina | 2 | 04/10/2009 |
| 299 | Molina Torres Ruben | España | 92 | 19/05/2011 |
| 317 | Monchietti Teresita | Argentina | 39 | 12/03/2010 |
| 811 | Monedas 1000 | España | 1 | 29/10/2017 |
| 521 | Monroy Gabriel | Guatemala | 12 | 16/03/2012 |
| 371 | Montefusco Dario | Italia | 85 | 27/05/2011 |
| 282 | Montell Jose V. | España | 67 | 25/06/2012 |
| 546 | Montero Mario | Chile | 7 | 31/12/2011 |
| 183 | Montes Luis | Colombia | 365 | 18/03/2017 |
| 37 | Montesinos Oscar | España | 1836 | 14/04/2010 |
| 328 | Montiel James | Guatemala | 31 | 21/03/2011 |
| 916 | Montoro Francisco | Estados Unidos | 1 | 13/06/2017 |
| 599 | Montoya Carlos | Colombia | 3 | 27/09/2010 |
| 75 | Montserrat Francesc | España | 1059 | 20/01/2010 |
| 559 | Monty Marga | España | 3 | 21/07/2008 |
| 564 | Moñino Díaz Luis | España | 9 | 08/03/2014 |
| 629 | Mora Jesus | España | 4 | 21/10/2010 |
| 7 | Moral Gines | España | 53539 | 25/09/2010 |
| 68 | Moral Sanchez Juan | España | 3705 | 13/10/2018 |
| 879 | Morales Camilo | Colombia | 1 | 27/04/2014 |