The museum is holding a contest to name the centerpiece of its new exhibit "The World's Largest Dinosaurs."
The dinosaur's scientific name, Mamenchisaurushochuanensi, is a mouthful.
So the curators are asking people to vote for five finalists on the museum's website.
The finalists are:
The massive dinosaurs featured in the exhibit lived 140 million years ago.
To vote for your favorite name, visit AMNH.org