Elsa Baquerizo McMillan (born 25 June 1987) is a Spanish beach volleyball player. As of 2012, she plays with Liliana Fernández. The pair participated in the 2012 Summer Olympics tournament and were eliminated in the round of 16 by the Italians Greta Cicolari and Marta Menegatti. They again competed at the 2016 Summer Olympics, losing in the last 16 to the Russian pair of Birlova and Ukolova.