Garcia I may refer to:
García I Jiménez of Gascony, duke of Gascony, leader of the Gascons from 816 to his death in 818 García I Galíndez, count of Aragon (d. 833) García Íñiguez of Pamplona (died 882) García I of León (died 914) García Sánchez I of Pamplona (c. 919 – 970) García I of Castile (died 995) Garcia I of Kongo (ruled 1624–1626)