Sancho IV of Castile and Leon
|Title:||2nd Monarch of Castile and Leon|
|Term in office:||1284–1295|
|Predecessor:||King Alfonso X|
|Successor:||King Ferdinand IV|
Sancho IV "the Brave" (1257/58 - April 25, 1295) was a king of Castile and Leon (1284 - 1295). He was the son of Alfonso X. His elder brother, Ferdinand de la Cerda, died in November 1275, and in 1282 Sancho assembled a coalition of nobles to declare for him against Ferdinand's son Alfonso, then took control of the kingdom when Alfonso X died in 1284.
| Preceded by:|
|King of Castile and Leon|| Succeeded by:|