The Torneo Regional del Litoral – Primera División is an annual rugby union competition in Argentina.

The tournament is contested by clubs from the Rosario, Santa Fe and Entre Ríos Unions, and is one of several regional competitions held in Argentina every year.

[3] The competition is open to all clubs from the Rosario, Santa Fe, and Entre Ríos Unions, depending on their rankings the previous season.

[citation needed] Ten teams participate in the first stage of the tournament (Top 10), with the eight best placed qualifying to play the "Zona Campeonato".

[2][3] The champion and runner-up of Torneo del Litoral qualify for the Nacional de Clubes, the main club competition of Argentina while the other best placed teams qualify for Torneo del Interior, the national club competition outside Buenos Aires.