Eguía is a Spanish surname. Notable people with the surname include:

Enrique Eguía Seguí (born 1962), Argentine prelate of the Roman Catholic Church Esteban Eguía (1890–1934), Spanish footballer Esteban de Bilbao Eguía (1879–1970), Spanish politician Francisco de Eguía (1750–1827), Spanish military commander and politician Julio Ramírez Eguía, Spanish guitarist Luis Felipe Eguía (born 1969), Mexican politician