Alfonso XII of Spain
Archduchess Maria Christina Henriette Desideria Felicitas Raineria of Austria (; 21 July 1858 – 6 February 1929) was the second queen consort of Alfonso XII of Spain. She was queen regent during the vacancy of the throne between her husband's death in November 1885 and the birth of their son Alfonso XIII in May 1886, and subsequently also until the coming of age of the latter in May 1902.