| Markus Knackmuß | |
| Birth Date: | 7 June 1974 |
| Birth Place: | Radolfzell, West Germany |
| Height: | 1.81 m |
| Position: | Midfielder |
| Youthclubs1: | FC Radolfzell |
| Youthclubs2: | SV Allensbach |
| Youthclubs3: | FC Böhringen |
| Youthyears4: | –1998 |
| Youthclubs4: | FV Donaueschingen |
| Years1: | 1998–2001 |
| Clubs1: | SC Pfullendorf |
| Years2: | 2001–2004 |
| Clubs2: | SSV Jahn Regensburg |
| Caps2: | 93 |
| Goals2: | 8 |
| Years3: | 2004–2006 |
| Clubs3: | FC Augsburg |
| Caps3: | 44 |
| Goals3: | 1 |
| Years4: | 2006–2008 |
| Clubs4: | Dynamo Dresden |
| Caps4: | 37 |
| Goals4: | 1 |
| Years5: | 2008–2010 |
| Clubs5: | SC Pfullendorf |
| Caps5: | 56 |
| Goals5: | 3 |
| Years6: | 2010 |
| Clubs6: | FC Konstanz |
| Years7: | 2010–2015 |
| Clubs7: | FC 08 Villingen |
| Caps7: | 146 |
| Goals7: | 11 |
| Manageryears1: | 2014–XXXX |
| Managerclubs1: | FC 08 Villingen II[1] |
| Manageryears2: | 2014–2015 |
| Managerclubs2: | FC 08 Villingen (player-assistant)[2] |
| Manageryears3: | 2015 |
| Managerclubs3: | FC 08 Villingen (caretaker)[3] |
Markus Knackmuß (born 7 June 1974 in Radolfzell, Baden-Württemberg) is a German football midfielder[4] who last played for FC 08 Villingen. He has also played for Dynamo Dresden, FC Augsburg and SSV Jahn Regensburg.