| Martim Afonso Chichorro I | |
| Nobleman (Rico-homem) | |
| Spouse: | Inês Lourenço de Valadares |
| Issue: | Martim Afonso Chichorro II Maria Afonso Chichorro Constança Margarida Vasco Afonso de Sousa |
| Noble Family: | Portuguese House of Burgundy |
| Father: | Afonso III of Portugal |
| Mother: | Madragana |
| Birth Date: | 1250 |
| Birth Place: | Portugal |
| Death Place: | Portugal |
| Occupation: | politician |
Martim Afonso Chichorro (1250–1313) was a Portuguese nobleman, who served in the Court of Denis of Portugal (his half brother).[1]
Born in Portugal, Martim was the illegitimate son of Afonso III of Portugal and Madragana. He was married to Inês Lourenço de Valadares (or de Sousa), daughter of Lourenço Soares de Valadares.[2]
Martim Afonso Chichorro held various political positions in the Kingdom of Portugal, including as Governor of the city of Chaves.[3]