Yahia Ben Bakr (born 9th century), an important Mozarab (Iberian Christian living under Muslim domination) figure in Medieval Portugal
Yahia Ben Rabbi (c. 1150-1222), also known as Yahya Ha-Nasi, Yahya Ibn Yaish, Dom Yahia "o Negro", direct descendent of the Exilarchs of Babylon, the eponymous ancestor of the Ibn Yahya family
