| Cecilia Sosa | |
| Full Name: | Cecilia Nohemí Sosa Vargas |
| Birth Date: | 7 February 1948 |
| Birth Place: | San Salvador, El Salvador |
| Sport: | Sprinting |
| Event: | 100 metres |
Cecilia Nohemí Sosa Vargas (born 7 February 1948) is a Salvadoran sprinter. She competed in the women's 100 metres at the 1968 Summer Olympics.[1] She was the first woman to represent El Salvador at the Olympics.[2]