I am interested to see everyones favorite comedies, not in any specific order, nor what you think the best comedies are, just a list of 10 of your favorite comedies.

-Caddyshack
-Slap Shot
-Animal House
-Planes, Trains, & Autombiles
-Stripes
-Fletch
-Ghostbusters
-Midnight Run
-Ace Ventura
-National Lampoons Vacation

I may edit this list if something I missed comes to mind during the day.

- Monty Python and the Holy Grail
- Duck Soup
- It's a Mad, Mad, Mad, Mad World
- Playtime
- South Park: Bigger, Longer & Uncut
- Waiting for Guffman
- The Freshman (Harold Lloyd)
- Wet Hot American Summer (w/ DVD 'fart' audio track)

Not in any order

- Airplane!
- The Naked Gun: From the Files of Police Squad!
- Living in Oblivion
- Ferris Bueller's Day Off
- The Jerk
- Dr. Strangelove or How I Learned to Stop Worrying and Love the Bomb
- The Princess Bride
- A Fish Called Wanda
- Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan
- South Park: Bigger, Longer & Uncut

Planes, Trains & Automobiles
The Naked Gun
Forrest Gump
Kingpin
Borat
The Princess Bride
Ghostbusters
Take The Money And Run
Groundhog Day
Back To The Future (listed it last, since it's a "borderline" comedy)

(One per director):

Dr. Strangelove (Stanley Kubrick, 1964)
Stardust Memories (Woody Allen, 1980)
The Gold Rush (Charles Chaplin, 1925)
The Big Lebowski (Joel and Ethan Coen, 1998)
Bringing Up Baby (Howard Hawks, 1938)
Tampopo (Juzo Itami, 1985)
Mr. Blandings Builds His Dream House (H.C. Potter, 1948)
Some Like It Hot (Billy Wilder, 1959)
Playtime (Jacques Tati, 1967)
Mr. Deeds Goes To Town (Frank Capra, 1936)

Just off the top of my head (I know I'm leaving something out that I love and just hasn't come to mind).

Team America: World Police (funniest movie I have ever seen)
Rushmore
The Royal Tenebaums
Shakes the Clown
Crank
South Park
Scrooged
Monty Python: The Meaning of Life
Monty Python: Holy Grail
Ricky Oh: The Story of Ricky

never really saw this as a comedy, but given the OTT demeted splattery tone of the film I can see your point.

I should have been a little more clear. I consider the dubbed version a comedy.

In order:

South Park: Bigger, Longer, Uncut
Austin Powers
American Pie 2
Jay & Silent Bob Strike Back
History of the World
This Is Spinal Tap
Meet The Parents
The Jerk
An Inconvenient Truth

(edited to add a few I embarassingly forgot like "This Is Spinal Tap")

off the top of my head....

Some Like it Hot
Caddyshack
Vacation
The Adventures of Ford Fairlane
Ghostbusters
Liar Liar
South Park
Blazing saddles
Spies Like Us
Young Frankenstein

oh...

I'll have to give my top ten some thought, but I'm a little surprised that neither This is Spinal Tap nor Office Space have been mentioned yet. . .

No particular order:

National Lampoon's Animal House
Caddyshack
The Blues Brothers
National Lampoon's Vacation
Midnight Run
Stripes
Trading Places
National Lampoon's Christmas Vacation
The 40-Year-Old Virgin
Clerks

in alphabetical order:

Airplane!
Annie Hall
Arthur
Beetlejuice
Death Becomes Her
Liar Liar
Psycho Beach Party
Sordid Lives
Tootsie
Young Frankenstein

Used Cars
Animal House
Blazing Saddles
Up In Smoke
Christmas Vacation
Caddyshack
Bad Santa
Young Frankenstein
Every Which Way But Loose
It's A Mad, Mad, Mad, Mad World

Dr. Strangelove
The Big Lebowski
This Is Spinal Tap
Monty Python and the Holy Grail
Tootsie
Groundhog Day
O Brother, Where Art Thou?
Office Space
Army of Darkness

No real order and the idea is absurd but oh well.. 1 per director, if not I'd have like 10 Hal Hartley up.

Trust
Stranger Than Paradise
Rushmore
The Big Lebowski
Waiting for Guffman
The Cameraman
Dr. Strangelove
Ed Wood
Paper Moon
Spanking The Monkey

This Is Spinal Tap
Life Of Brian
Dr. Strangelove
The Producers
When Harry Met Sally
City Lights
Harold & Maude
Sherlock Jr.
The Apartment
Take The Money & Run

Bill and Ted's Bogus Journey
Spaceballs
Austin Powers:The Spy Who Shagged Me
This Is Spinal Tap
National Lampoon's Vacation
Ed Wood
Defending Your Life
Raising Arizona
I Wanna Hold Your Hand
Being John Malkovich

Bottle Rocket
Bringing Up Baby
Friday
Harold and Kumar Go to White Castle
Monty Python and the Holy Grail
Rejected
Shaun of the Dead
Snatch.
Wet Hot American Summer


(I went by the ones I own).

White Chicks
Euro Trip
The Hot Chick
Best Defense
Leonard Part 6
Spice World
Caddyshack II
Little Man
Ishtar
Stop! Or My Mom Will Shoot!

Airplane!
Ghostbusters
National Lampoon's Vacation
Stripes
The Naked Gun
The Royal Tenenbaums
Blazing Saddles (up 'til the last 10 minutes)
Trains, Planes, and Automobiles
The Jerk
Tommy Boy

office space
airplane
three amigos
meet the parents
blue brothers
dumb and dumber
christmas vacation
funny farm
wayne's world
bill and ted's excellent adventure

About a Boy
Sixteen Candles
Office Space
Death Becomes Her
Election
Ghost World
The Daytrippers
Igby Goes Down
Pee Wee's Big Adventure
Shaun of the Dead