| Samuel Aguilar | |
| Fullname: | Samuel Aguilar Alvarenga |
| Birth Date: | 1933 3, df=y |
| Birth Place: | Paraguay |
| Death Place: | Fernando de la Mora, Paraguay |
| Height: | 1.88 m |
| Position: | Goalkeeper |
| Clubs1: | Club Libertad |
| Clubs2: | Club Sport Colombia |
| Clubs3: | Club Olimpia |
| Years4: | 1965–1967 |
| Clubs4: | Deportivo Pereira |
| Caps4: | 11 |
| Goals4: | 0 |
| Nationalteam1: | Paraguay |
Samuel Aguilar Alvarenga (16 March 1933 – 12 May 2013) was a Paraguayan football goalkeeper who played for Paraguay in the 1958 FIFA World Cup.[1] He also played for Club Libertad. Aguilar died on 12 May 2013, at the age of 80.[2]