| KADER 1. MANNSCHAFT 2020/2021 | |||||
| # | Name | Jahrgang | Stammverein | Wohnort | Team seit |
| TOR | |||||
| 1 | Fabio Gradwohl | 1994 | FC Hägendorf | Neuendorf | 2014 |
| 21 | Björn Fluri | 2000 | FC Mümliswil | Mümliswil | 2017 |
| VERTEIDIGUNG | |||||
| 2 | Adrian Kamber | 1994 | FC Mümliswil | Wangen b.O. | 2012 |
| 3 | Robin Disler | 1993 | FC Mümliswil | Langenthal | 2010 |
| 10 | Jérome Ackermann | 1987 | FC Mümliswil | Solothurn | 2004 |
| 12 |
Fabian Bader |
1999 | FC Mümliswil | Mümliswil | 2019 |
| 18 | Tobias Hafner | 2000 | FC Mümliswil | Mümliswil | 2020 |
| 20 | Silvan Nussbaumer | 1994 | FC Mümliswil | Mümliswil | 2017 |
| 22 | Rafael Disler | 1998 | FC Mümliswil | Mümliswil | 2018 |
| MITTELFELD | |||||
| 4 | Mario Simic | 1988 | FC Mümliswil | Balsthal | 2019 |
| 6 | Dominik Ackermann (C) | 1990 | FC Mümliswil | Mümliswil | 2007 |
| 8 | Florian Arnold | 1999 | FC Oensingen | Oensingen | 2016 |
| 13 | Christian Wehrli | 2003 | FC Mümliswil | Mümliswil | 2020 |
| 14 | Simon Büttler | 1987 | FC Mümliswil | Kestenholz | 2017 |
| 16 | Roger Wyser | 1996 | FC Mümliswil | Mümliswil | 2017 |
| 17 | Nicola Ackermann | 1991 | FC Mümliswil | Solothurn | 2006 |
| 23 | Janik Disler | 1996 | FC Mümliswil | Mümliswil | 2013 |
| STURM | |||||
| 7 | Elia Bader | 1998 | FC Klus/Balsthal | Balsthal | 2019 |
| 9 | Roger Wehrli | 1992 | FC Mümliswil | Mümliswil | 2008 |
| 11 | Andreas Ackermann | 1992 | FC Mümliswil | Mümliswil | 2015 |
| STAFF | |||||
| CT | Remo Bürgi |
1986 | Olten | 2017 | |
| AT | Patrick Hess |
1972 | Mümliswil | 2019 | |
| ST | Christian Kamber | 1979 | Mümliswil | 2019 | |
| MA | Patrick Koch |
1996 | Laupersorf | 2020 | |
