Santiago Mostajo Trigo (April 1912 – 29 March 1997) was a Spanish former professional cyclist.
Santiago was born in Calatayud, Aragon in April 1912 and died in Barcelona at the age of 84.
His son Santiago Mostajo Gutiérrez was also a professional cyclist.
[4] As a climbing specialist, Santiago achieved his highest position in the 1932 Tour when he was twenty.
At the end of this season, he retired from cycling.