Ice Age: The Meltdown (also known as Ice Age 2: The Meltdown) is a 2006 American animated adventure comedy film produced by Blue Sky Studios and distributed by 20th Century Fox. It is the sequel to Ice Age and the second installment in the Ice Age film series. The film was directed by Carlos Saldanha from a screenplay written by Peter Gaulke, Gerry Swallow, and Jim Hecht, and a story by Gaulke and Swallow. Ray Romano, John Leguizamo, Denis Leary, and Chris Wedge reprise their roles from the first Ice Age film, with newcomers Seann William Scott, Josh Peck, and Queen Latifah joining the cast. In the film, Manny, Sid, and Diego attempt to escape an impending flood, during which Manny finds love.

The film premiered in Belgium on March 1, 2006, and in the United States on March 31. Despite receiving mixed reviews from critics, it grossed $667 million worldwide, marking it the third highest-grossing film of 2006 and the highest-grossing animated film of 2006. Three more sequels were released: Ice Age: Dawn of the Dinosaurs in 2009, Ice Age: Continental Drift in 2012, and Ice Age: Collision Course in 2016.