Fernando "Fernand" Sanz y Martínez de Arizala (28 February 1881 – 8 January 1925) was a Spanish-born naturalized French racing cyclist, younger of two illegitimate sons of King Alfonso XII of Spain and his mistress, Elena Sanz.[1] He participated in cycling at the 1900 Summer Olympics in Paris for France, and there won the silver medal in the men's sprint.[2]