| Kader 1. Mannschaft 2018/2019 | |||||
| # | Name | Jahrgang | Stammverein | Wohnort | Team seit |
| TOR | |||||
| 1 | Fabio Gradwohl | 1994 | FC Hägendorf | Hägendorf | 2014 |
| 21 | Björn Fluri | 2000 | FC Mümliswil | Mümliswil | 2017 |
| VERTEIDIGUNG | |||||
| 2 | Adrian Kamber | 1994 | FC Mümliswil | Balsthal | 2012 |
| 3 | Robin Disler | 1993 | FC Mümliswil | Mümliswil | 2010 |
| 10 | Jérome Ackermann | 1987 | FC Mümliswil | Derendingen | 2003 |
| 15 |
Michi Lisser | 1998 | FC Mümliswil | Mümliswil | 2018 |
| 20 | Silvan Nussbaumer | 1994 | FC Mümliswil | Mümliswil | 2017 |
| 22 | Rafael Disler | 1998 | FC Mümliswil | Mümliswil | 2018 |
| MITTELFELD | |||||
| 6 | Dominik Ackermann (C) | 1990 | FC Mümliswil | Olten | 2007 |
| 7 | Janik Disler | 1996 | FC Mümliswil | Mümliswil | 2013 |
| 8 | Florian Arnold | 1999 | FC Oensingen | Oensingen | 2016 |
| 9 | Roger Wehrli | 1992 | FC Mümliswil | Mümliswil | 2008 |
| 13 | Philippe Wehrli | 1997 | FC Mümliswil | Mümliswil | 2014 |
| 14 | Simon Büttler | 1987 | FC Mümliswil | Oensingen | 2017 |
| 16 | Roger Wyser | 1996 | FC Mümliswil | Mümliswil | 2017 |
| 18 | Sandro Bader | 1999 | FC Mümliswil | Mümliswil | 2016 |
| STURM | |||||
| 11 | Andreas Ackermann | 1992 | FC Mümliswil | Mümliswil | 2015 |
| 17 | Nicola Ackermann | 1991 | FC Mümliswil | Oensingen | 2006 |
| 19 | Mathias Hammer | 1987 | FC Mümliswil | Oberbuchsiten | 2018 |
| STAFF | |||||
| CT | Remo Bürgi |
1986 | Mümliswil | 2017 | |
| AT | Reto Schärmeli | 1994 | Mümliswil | 2017 | |
| CO | George Ackermann |
1961 | Mümliswil | 2014 | |
| MA | Sibylle Jeggli |
1991 | Zofingen | 2016 | |
