| Julio Fonseca | |
| Fullname: | Julio César Fonseca |
| Birth Place: | Honduras |
| Position: | Winger |
| Years1: | 1965–1974 |
| Caps1: | 69 |
| Goals1: | 19 |
| Nationalyears1: | ??–?? |
| Nationalteam1: | Honduras |
| Nationalcaps1: | ? |
| Nationalgoals1: | ? |
Julio César Fonseca was a retired Honduran football player who played for Marathón in the 1960s.
Nicknamed Cucaracha, Fonseca scored 19 league goals for Marathón.[1] He was a member of the so-called La Trinca Infernal (The Infernal Lashing), along with Mario Caballero and Mauro Caballero.
In 1974, Fonseca retired from professional football after Mario, one of his teammates at Marathón, had an accident which leave him invalid.