Aceralia
| BMAD: ACR | |
| ISIN | ES0138991015 |
| Industry | Steel |
| Predecessor | Corporacion de la Siderurgia Integral (1991) formed from Ensidesa (1950) Altos Hornos de Vizcaya (1902) |
| Founded | 1997 |
| Defunct | 2002 |
| Successor | Arcelor |
| Revenue | 269.546 billion ₧ (1997) |
| 14.047 billion ₧ (1997) | |
| Total assets | 465.174 ₧ (1997) |
Number of employees | 12,460 (1997) |
| Website | www.aceralia.es |
Aceralia was a large Spanish steel producer formed in 1997 by restructuring of a group formed from earlier mergers of the steel producers ENSIDESA and Altos Hornos de Vizcaya. The company merged into Arcelor in 2001, and became part of ArcelorMittal in 2006.