Fernando "Fernand" Sanz y Martínez de Arizala (28 February 1881, Madrid – 8 January 1925, Pau) was a Spanish-born, naturalized French citizen, younger of two illegitimate sons of Alfonso XII, King of Spain, and his mistress, Elena Sanz y Martínez de Arizala.
|Full name||Fernando Sanz y Martínez de Arizala|
|Born||28 February 1881|
|Died||8 January 1925 (aged 43)|
He was also a racing cyclist who competed in the late 19th century and early 20th century; he participated in cycling at the 1900 Summer Olympics in Paris for France, and there won the silver medal in the men's sprint. Georges Taillandier won gold.