| Gustavo Lillo | |
| Fullname: | Gustavo Alejandro Lillo |
| Birth Date: | 8 August 1973 |
| Birth Place: | Mendoza, Argentina |
| Height: | 1.78 m |
| Position: | Defender |
| Years1: | 1994–1997 |
| Years2: | 1997–2002 |
| Years3: | 2002–2003 |
| Years4: | 2004 |
| Years5: | 2004–2005 |
| Years6: | 2005 |
| Clubs1: | Godoy Cruz |
| Clubs2: | Talleres de Córdoba |
| Clubs3: | FC Krylia Sovetov Samara |
| Clubs4: | Los Andes |
| Clubs5: | Godoy Cruz |
| Clubs6: | San Martín de Mendoza |
| Caps3: | 31 |
| Caps5: | 30 |
| Caps6: | 6 |
| Goals3: | 0 |
| Goals5: | 1 |
| Goals6: | 0 |
Gustavo Alejandro Lillo (born August 8, 1973, in Mendoza) is a retired Argentine professional footballer. He played 1 game in the UEFA Intertoto Cup 2002 for FC Krylia Sovetov Samara.
Lillo retired in December 2008 after playing for Guaymallén in the Argentinean Torneo Argentino B, the fourth division.[1]