Trivia: All of the entire cast performed their own singing.
Trivia: According to behind the scenes featurettes, James Hong's father owns a noodle shop. Hong voices Po's father, Mr. Ping, who also owns a noodle shop.
Trivia: When Brennan (played by Will Ferrell) and Dale say, "Say your favourite dinosaur on 3", on the shelf there is a sign that reads 'Hugalo's Pizza', which is the pizza parlor that Will Ferrell worked at in Talladega Nights: The Ballad of Ricky Bobby.
Trivia: Executive Producer Peter Billingsly has a cameo as the ticket agent at the airport. Peter also played Ralphie Parker in the 1983 movie favorite A Christmas Story.
Trivia: Originally, Joe Jonas (Shane Gray) kissed Demi Lovato (Mitchie) on the cheek, but it was taken out of the movie.
Trivia: Continue watching after the credits for quite a lengthy extra.
Trivia: Paul Mitchell actually died in 1989. As an inside joke, the man portraying him when he talks to the Zohan on the phone is his business partner John Paul Dejoria. Dejoria has been the face of the Paul Mitchell company since Paul Mitchell's death, which has caused many people to believe that Dejoria is Paul Mitchell.
Trivia: When Mike Myers is in the car with Darren Roanoke he is flipping stations (Darren was listening to rap). Mike Myers wants to hear Indian music, Darren switches it back. Mike Myers puts on Bohemian Rhapsody for a brief moment and gives the camera a knowing look. Bohemian Rhapsody was a very popular part of the Mike Myers movie Wayne's World.
Trivia: At one point in the movie, when the Chief is talking to the President, the President says "nucular weapons" once or twice. Frustrated, the Chief says something to the effect of, "For the last time, it's nuclear." This is an obvious jab at President George W. Bush, who was notorious for invariably saying "nucular" instead of "nuclear" when giving speeches.
Trivia: Right when the Spartans start to push the Persians off of the cliff, you can hear the Wilhelm scream.
Trivia: Will Smith has his own signature line, which is called 'Oh Hell no.' He says it at least once in almost all his movies, including this one.
Trivia: The janitor who sees Lou Landers stuffing the dead body in the cabinet is the director, Craig Mazin.
Trivia: The man that plays Blake Lively's father in the movie is her dad in real life, too.
Trivia: In the Hall of Mayors, there is a picture of Dr. Seuss as JoJo's Grandfather.
Trivia: When the boys are interviewing the prospective bodyguards, Adam Baldwin has a brief credited cameo as one of the bodyguard possibilities who states, "Kids hiring a bodyguard to take care of a bully? Stupidest thing I ever heard!" Particularly amusing since this references Adam's first film My Bodyguard, during which he becomes a fellow student's bodyguard.
