No. Blue whales do not have teeth. They are one of the "Baleen" whales, having baleen which is a type of filter to help collect krill, plankton and small fish on which they feed.
Blue Whales and Humpback Whales, (and a few other less known species) don't have teeth because they don't "chew" anything. They are "filter feeders". Whales, the largest creatures on earth, subsist...