| Alexandros Tatsis | |
| Birth Date: | 28 August 1979 |
| Birth Place: | Ioannina, Greece |
| Height: | 1.90NaN0 |
| Position: | Striker |
| Youthyears1: | –1996 |
| Youthclubs1: | PAS Giannina |
| Years1: | 1996–2001 |
| Clubs1: | PAS Giannina |
| Caps1: | 35 |
| Goals1: | 1 |
| Years2: | 1999–2000 |
| Clubs2: | → Panargiakos (loan) |
| Caps2: | 10 |
| Goals2: | 0 |
| Years3: | 2001–2003 |
| Clubs3: | Proodeftiki |
| Caps3: | 46 |
| Goals3: | 16 |
| Years4: | 2003–2004 |
| Clubs4: | Olympiacos |
| Caps4: | 6 |
| Goals4: | 1 |
| Years5: | 2005 |
| Clubs5: | Proodeftiki |
| Caps5: | 21 |
| Goals5: | 6 |
| Years6: | 2005 |
| Clubs6: | Panachaiki |
| Caps6: | 6 |
| Goals6: | 0 |
| Years7: | 2006 |
| Clubs7: | Proodeftiki |
| Caps7: | 0 |
| Goals7: | 0 |
| Years8: | 2007 |
| Clubs8: | Ethnikos Piraeus |
| Caps8: | 6 |
| Goals8: | 0 |
| Years9: | 2007–2008 |
| Clubs9: | Vyzas |
| Years10: | 2008–2009 |
| Clubs10: | Proodeftiki |
| Years11: | 2009–2010 |
| Clubs11: | Doxa Kranoula |
| Caps11: | 1 |
| Goals11: | 0 |
Alexandros Tatsis or Alekos Tatsis (born 28 August 1979) is a retired Greek football player.
Tatsis signed his first professional contract with PAS Giannina. He joined Proodeftiki F.C. in 2002, and played for the club during the 2002–03 Alpha Ethniki season.[1] In 2003 he joined Olympiacos, but he was released at the end of the season.