You asked, but it was such a snoozer!
Ten funny movie in no particular order:
1. (Any Marx Brothers Movie n(Day at the Races, Duck Soup, Animal Crackers)
2. Caddy Shack
3. What About Bob?
4. Ghost Busters
5. Young Frankenstein
6. Airplane
7. The Naked Gun
8. Private Eyes
9. Murder by Death
10. Groundhog Day
Honorable mentions: Stripes and Blazing Saddles which both suffer for the same problem horrible endings
Agreed on the Marx Brothers, but do not forget WC Fields
http://www.youtube.com/watch?v=9s4pni8oJtw
http://www.youtube.com/watch?v=yOHGr8r5Cs4