Rafael Aburto Renovales (November 2, 1913 – March 9, 2014) was a Spanish architect. His most famous works are Casa Sindical de Madrid and Obra Sindical del Hogar. Aburto helped organize the Council of Spanish Architectural Associations. Aburto was born in Neguri, Vizcaya, Spain. He studied at Madrid School of Architecture. He turned 100 in November 2013 and died of natural causes in Madrid, aged 100.