The Tercera Division de Fútbol Salvadoreño, commonly known as Tercera División, and officially known as Electrolit Tercera División for sponsorship reasons, is the men's third professional association football division of the Salvadoran football league system. Administered by Liga Nacional de Fútbol Profesional, it is contested by 40 teams, with the top two teams plus the winner of a play-off promoted to Segunda division and replaced by the three lowest-placed teams in that division.

The El Salvador Tercera Division is the third tier of professional soccer in El Salvador, serving as a vital platform for emerging talent and local clubs aspiring to reach higher levels of competition. This tournament features a diverse array of teams from across the country, competing in a structured league format that promotes development, community engagement, and the growth of Salvadoran football. Known for its passionate fans and competitive spirit, the El Salvador Tercera Division provides exciting matches and serves as a stepping stone for players aiming to advance to higher divisions, contributing to the overall strength and popularity of soccer in El Salvador.