Here's a look back at some of his best (and funniest) on screen clips:
Nielsen's most-quotable line from Airplane!
Singing – or remembering the words – may not have been his character's forte, but here's Nielsen, as Lt. Frank Drebin, belting out the National Anthem in Naked Gun.
A collection of his most laugh-out-loud moments from the Naked Gun movies.
Tell us: What are your favorite Leslie Nielsen on-screen moments?