| Guillermo Lorenzo | |
| Birth Date: | 5 January 1939 |
| Birth Place: | Buenos Aires, Argentina |
| Position: | Forward |
| Clubs1: | Boca Juniors |
Guillermo Lorenzo (born 5 January 1939) is an Argentine former footballer.[1] He was also part of Argentina's squad for the 1960 Summer Olympics, but he did not play in any matches.[2]