Carles Castillejo Salvador (born August 18, 1978 in Barcelona) is a Spanish long distance runner.

He ran in the long race at the 2004 IAAF World Cross Country Championships and finished in 57th place.

[1] After running a personal best of 27:39.79 minutes in Vigo, he ran in the event at the 2008 Beijing Olympics and managed 23rd place overall.

[1] Castillejo made his debut over the marathon distance in 2011 at the national championship race held at the Maratón Ciudad de Castellón.

He won the race with a time of 2:10:02 hours – a performance which guaranteed him selection for the 2012 Summer Olympics.