| Daniel Sereinig | |
| Birth Date: | 10 May 1982 |
| Birth Place: | Wil, Switzerland |
| Height: | 1.86 m |
| Currentclub: | FC Vaduz II (Manager) |
| Position: | Defender |
| Youthyears1: | –2001 |
| Youthclubs1: | FC Rorschach |
| Years1: | 2001 |
| Years2: | 2002 |
| Years3: | 2002–2007 |
| Years4: | 2007–2008 |
| Years5: | 2008–2008 |
| Years6: | 2009–2011 |
| Years7: | 2010–2011 |
| Years8: | 2011–2014 |
| Years9: | 2014–2016 |
| Clubs1: | St. Gallen |
| Clubs2: | FC Wil |
| Clubs3: | FC Schaffhausen |
| Clubs4: | Rot-Weiss Essen |
| Clubs5: | SCR Altach |
| Clubs6: | SC Freiburg II |
| Clubs7: | SC Freiburg |
| Clubs8: | FC Winterthur |
| Clubs9: | FC Schwarzach |
| Caps1: | 2 |
| Caps2: | 4 |
| Caps3: | 99 |
| Caps4: | 34 |
| Caps5: | 4 |
| Caps6: | 54 |
| Caps7: | 1 |
| Caps8: | 75 |
| Goals1: | 0 |
| Goals2: | 0 |
| Goals3: | 5 |
| Goals4: | 3 |
| Goals5: | 0 |
| Goals6: | 3 |
| Goals7: | 0 |
| Goals8: | 8 |
| Manageryears1: | 2014–2016 |
| Managerclubs1: | FC Schwarzach (player-manager)[1] |
| Manageryears2: | 2016–2017 |
| Managerclubs2: | FC Vaduz II |
| Manageryears3: | 2017 |
| Managerclubs3: | FC Vaduz (assistant) |
| Manageryears4: | 2018–2019 |
| Managerclubs4: | FC Vaduz (assistant) |
| Manageryears5: | 2019– |
| Managerclubs5: | FC Vaduz II |
Daniel Sereinig (born 10 May 1982) is a Swiss former professional footballer who played as defender.
Sereinig was born in Wil, Switzerland. He joined SC Freiburg in January 2009 from SCR Altach. He was generally a member of the team's reserve squad, however, made his professional debut in the Bundesliga on 2 October 2010 as a late substitute against 1. FC Köln.[2]
On 28 January 2011, he signed a contract with FC Winterthur until summer 2012 with the option to extend it by one season.