It's on the list of 30 Great Westerns at Images Journal. Rolling Stone calls it "the most provocative western of Eastwood's career". Roger Ebert has it on his "great movies" list. The New York Times says it's "a most entertaining western". Variety begins with this:
"Unforgiven" is a classic Western for the ages. In his 10th excursion into the genre that made him a star more than 25 years ago, Clint Eastwood has crafted a tense, hard-edged, superbly dramatic yarn that is also an exceedingly intelligent meditation on the West, its myths and its heroes.