| Sille Thomsen | |
| Fullname: | Sille Gundbæk Thomsen |
| Nationality: | Danish |
| Birth Date: | 18 February 1992 |
| Birth Place: | Køge, Denmark |
| Position: | Line Player |
| Currentclub: | Ringkøbing Håndbold |
| Clubnumber: | 18 |
| Years1: | 2011-2013 |
| Clubs1: | Randers HK |
| Years2: | 2013-2014 |
| Clubs2: | Vejen EH |
| Years3: | 2014-2016 |
| Clubs3: | Viborg HK |
| Years4: | 2017- |
| Clubs4: | Ringkøbing |
Sille Thomsen (born 18 February 1992)[1] is a Danish handball player who plays for Ringkøbing Håndbold.