"I found myself frequently wondering what Martin Luther King Jr. might do right now if he were still alive," she said on her show, "The Real Story."
Carlson quoted instead a passage from his speech, "The Quest for Peace and Justice," which King gave after he won the Nobel Peace Prize in 1964.
She read aloud part of the address:
Violence is immoral because it thrives on hatred rather than love. It destroys community and makes brotherhood impossible. It leaves society in monologue rather than dialogue. Violence ends up defeating itself.
"Oh, how we need Martin Luther King Jr. today, as we wait for another day, and night, in Baltimore," she said.
Monday's night of unrest came after days of protests over the death of Freddie Gray, a black man who died of a spinal injury that he suffered police custody.
Watch Carlson's take: