The 1998–99 Segunda División season saw 22 teams participate in the second flight Spanish league. Málaga CF,

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 Primera División RFEF – Group 2, holding home games at ''Nuevo Estadio Los ...

Sevilla FC Sevilla Fútbol Club () is a Spanish professional football club based in Seville, the capital and largest city of the autonomous community of Andalusia, Spain. It plays in Spanish football's top flight, La Liga. Sevilla have won the UEFA E ...

and

Rayo Vallecano Rayo Vallecano de Madrid, S.A.D. (), often abbreviated to Rayo (Spanish for "thunderbolt"), is a Spanish professional football club based in Madrid, in the neighbourhood of Vallecas. Rayo was founded on 29 May 1924, and currently compete in La Li ...

were promoted to Primera División.

RCD Mallorca B RCD Mallorca B, S.A.D. is a Spanish football team based in Palma, Majorca, in the Balearic Islands. Founded in 1967, it is the reserve team of RCD Mallorca and currently plays in Segunda Federación – Group 3, holding home matches at '' Est ...

Barcelona B Barcelona ( , , ) is a city on the coast of northeastern Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within ci ...

, Hércules CF and

CD Ourense Club Deportivo Ourense, S.A.D. was a Spanish football team based in Ourense, in the autonomous community of Galicia. Founded in 1952 after the dissolution of old UD Orensana, it played in Segunda División B – Group 1, holding home games at ' ...

were relegated to Segunda División B.

Teams

Teams by Autonomous Community

Final table

Results

Promotion playoff

First Leg

Second Leg

{{DEFAULTSORT:1998-99 Segunda Division Segunda División seasons 2

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...