The newly sworn-in Democratic congresswoman gave an unequivocal response after being questioned about the president during a CBS News interview.
Asked by Anderson Cooper if she believed Mr Trump "is a racist", she replied: "Yeah, yeah, no question.
"When you look at the words that he uses, which are historic dog whistles of white supremacy, when you look at how he reacted to the Charlottesville incident, where neo-Nazis murdered a woman, versus how he manufactures crises like immigrants seeking legal refuge on our borders, it’s night and day."
The 29-year-old Representative, who last week became the youngest woman elected to congress, said the president was "a symptom of the problem."