Belalcázar may refer to:
- Belalcázar, Spain, a municipality in the province of Córdoba, southern Spain
- Castle of Belalcázar, a Gothic castle in the Spanish city
- Belalcázar, Caldas, a town and municipality in the Colombian department of Caldas
- Sebastián de Belalcázar (1479/80–1551), a Spanish conquistador
- Bréiner Belalcázar (born 1984), a Colombian footballer