The 2003–04 Segunda División season saw 22 teams participate in the second flight Spanish league. The teams that were promoted to

La Liga The Campeonato Nacional de Liga de Primera División, commonly known as the Primera División or La Liga, and officially known as LaLiga EA Sports for sponsorship reasons, is a professional association football league in Spain and the highest ...

were

Levante UD Levante Unión Deportiva, S.A.D. () is a List of football clubs in Spain, Spanish football club in Valencia, in the Valencian Community, namesake autonomous community. Founded on 6 September 1909, the club will compete in La Liga for the 2025– ...

Getafe CF Getafe Club de Fútbol S.A.D. () is a Spanish professional association football, football club based in Getafe, a city in the Community of Madrid. They compete in La Liga, the top tier of the Football in Spain, Spanish football. The team has pla ...

, and

CD Numancia Club Deportivo Numancia de Soria, S.A.D. is a Spanish football club in Soria, in the autonomous community of Castile and León. Founded on 9 April 1945, it plays in , holding home games at '' Nuevo Estadio Los Pajaritos''. Besides football it ...

. The teams that were relegated to

Segunda División B Segunda División B (English: second division B) was the third tier of the Spanish football league system containing 102 teams divided into five groups, until it was replaced by the new structure in 2021. It was administered by the Royal Spanish ...

were CD Leganés,

UD Las Palmas Unión Deportiva Las Palmas S.A.D. is a professional association football, football club based in Las Palmas de Gran Canaria, Canary Islands, Spain. The club will compete in Segunda División, the 2nd division in the Spanish football league syst ...

, Rayo Vallecano, and Algeciras CF.

Teams

(*) Relegated from

. (**) Promoted from

Teams by Autonomous Community

Final table

Results

{{DEFAULTSORT:2003-04 Segunda Division Segunda División seasons 2

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...