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.
[2] On 28 January 2011, he signed a contract with FC Winterthur until summer 2012 with the option to extend it by one season.