Luiaondo () is a village and concejo in the municipality of Ayala/Aiara, ÃÂlava, Basque Country, Spain. It is served by a CercanÃÂas Bilbao railway station.
The , a tree which marked the boundary of the Lordship of Biscay, was located in Luiaondo. By the 18th century the tree had disappeared, and in 1730 a cross was built at its supposed location.