Hamilton Chasi Guerrero (born 12 February 1990) is an Ecuadorian footballer currently playing for Barcelona SC.
Chasi played for the under 20 Ecuador national football team since 2007. He was a starter and he helped Ecuador win the 2007 Pan American Games. He also participated in the 2009 South American Youth Championship, where Ecuador was eliminated in the group stage, because of loss in a coin toss decider.