Fidel Sánchez Hernández (July 7, 1917, El Divisadero – February 28, 2003) was a politician, general, and former President of El Salvador. It could be said that Sánchez led his country during a tumultuous era. While ruling El Salvador from 1967 to 1972, Sánchez faced war and economic turmoil.

Before becoming president, Sánchez was an army general in El Salvador and had brief stints as a military attaché in Washington (after his participation in the overthrow of José María Lemus in 1960) and in Paris. President Julio Adalberto Rivera promoted him to Minister of the Interior in 1962, and he served in that office until 1967, when he succeeded Rivera to the position of president. He continued Rivera's progressive programs and appointed a mostly civilian cabinet.

In July 1969 Sánchez led the Salvadoran army in its brief but violent Football War against Honduras. He had much success, occupying a large part of that country. But, under a cease-fire agreement arranged by the Organization of American States, Sánchez agreed to pull his troops out, much to the opposition of many of his military leaders. The war with Honduras led to much economic distress in El Salvador. Refugees, mostly Salvadorans that resided in Honduras, poured into the country and Honduras closed off trade routes.

Sánchez remained president until 1972 and was succeeded by Colonel Arturo Armando Molina.

On the night of February 28, 2003, Sánchez, aged 85, died of a heart attack while being taken to a military hospital in El Salvador.