US evangelical broadcaster Pat Robertson said Haiti was "cursed" because of what he called a "pact with the devil" in its history.
His spokesman said the comments were based on Voodoo rituals carried out before a slave rebellion against French colonists in 1791.
Spokesman Chris Roslan said Mr Robertson never stated that Tuesday's earthquake was God's wrath.
He said Mr Robertson's Operation Blessing group is sending millions of dollars in medication and relief workers to the country.
Mr Robertson angered opponents many times before with comments on current events and criticism of other faiths.
He once said American agents should assassinate Venezuelan President Hugo Chavez and said Israeli Prime Minister Ariel Sharon's stroke was divine retribution for withdrawing from the Gaza Strip.