| Giorgos Sielis | |
| Fullname: | Giorgos Sielis |
| Birth Date: | 23 October 1986 |
| Birth Place: | Paphos, Cyprus |
| Position: | Midfielder |
| Youthyears1: | 2004–2005 |
| Youthclubs1: | Northallerton Town |
| Youthyears2: | 2005–2006 |
| Youthclubs2: | Charlton Athletic |
| Youthyears3: | 2006–2007 |
| Youthclubs3: | Redditch United |
| Years1: | 2007–2008 |
| Caps1: | 14 |
| Goals1: | 0 |
| Years2: | 2008–2009 |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 2009 |
| Clubs3: | →Olympiakos Nicosia (loan) |
| Caps3: | 7 |
| Goals3: | 0 |
| Years4: | 2009–2012 |
| Caps4: | 55 |
| Goals4: | 4 |
| Years5: | 2012 |
| Caps5: | 0 |
| Goals5: | 0 |
| Years6: | 2013 |
| Clubs6: | AEP Paphos |
| Caps6: | 6 |
| Goals6: | 0 |
| Years7: | 2013–2014 |
| Clubs7: | AEK Kouklia |
| Caps7: | 21 |
| Goals7: | 1 |
| Years8: | 2014–2016 |
| Clubs8: | Pafos FC |
| Caps8: | 30 |
| Goals8: | 2 |
| Years9: | 2016–2017 |
| Clubs9: | Akritas Chlorakas |
| Caps9: | 15 |
| Goals9: | 2 |
| Years10: | 2018 |
| Clubs10: | Richmond SC |
| Caps10: | 5 |
| Goals10: | 1 |
| Pcupdate: | March 2018 |
| Ntupdate: | 9 December 2011 |
Giorgos Sielis (Greek: Γιώργος Σιέλης; born October 23, 1986) is a retired Cypriot football player. He is the brother of the international defender of Jeju United Valentinos Sielis.[1]