Unless you like everything the man has done, there has to be at least one movie of his you disliked, or feel gets more praise than it deserves.

Results thus far as voted by the members:

Most Overrated Martin Scorsese movie - The Departed

Most Overrated Pixar Movie - No Pixar movie is overrated

Most Overrated Stanley Kubrick Movie - 2001: A Space Odyssey

My take on each film
Jaws: A bon-a-fide classic.
Raiders of the Lost Ark: Another classic film; the best homage to classic serials ever made.
Schindler's List: A classic. Not Spielberg's best but worthy of all praise.
Saving Private Ryan: The D-Day scene is truly amazing. Everything else about this film is above average. However, I don't hear people praising the story or acting; they praise it's brutal realism.
Close Encounters of the Third Kind: IMO, Spielberg's masterpiece.
E.T.: The Extra-Terrestrial: OVERRATED. Sappy, manipulative, artificial, and full of lousy acting. I never liked it as a kid and I don't like it as an adult.
Jurassic Park: A landmark in SFX, a great adventure movie.
Minority Report: If anything this is underrated.
Munich: Criminally underrated. Spielberg's most adult film (yes even more than Schindler's List); it doesn't pick sides and too depressing for mainstream audiences.

Blasphemy

E.T. by far

Artificial Intelligence: AI

I have no words to describe how absolutely craptacular this movie is. It's worse than Battlefield Earth. It's an acid trip for the suicidal demographic.

A.i.

Jaws didn't grab me like it did others but I can understand how its a true classic.

Raiders of the Lost Ark was a fun movie nothing more. I was never really a big Indy guy but I enjoyed the movies anyway.

Schindler's List: A classic.

Saving Private Ryan: see Schindler's List

Close Encounters: I voted for this. I was just really bored by it and I don't get why people think its so great.

E.T.: I loved this movie as a kid. Watched it recently. Not as good as I remember but its a nice piece of nostalgia.

Jurassic Park: Excellent for what it was. One of my most loved movies as a kid.

Minority Report: It was good but forgettable. Not really "over rated".

Munich: Only saw it once but loved it.

I've tried to watch Munich about three times since it was released, and can never make it past 30 minutes. It's not that's it's a bad movie, it just doesn't seem like an interesting one.

Can't disagree with a single thing here.

ET by a mile.

Couldn't have said it better. E.T. would be my second pick and Munich should have won Best Picture for 2005.

Saving Ryan's Privates started out great but degenerated into just another war movie. They really need to have a good historic advisor on tactics and the like.

E.T.

I hate Jurassic Park now that i'm old enough to grasp just how incredibly preachy it was. If you try to make scientific advancements, Dinosaurs will try to eat children alive!

I think you nailed them all. Except for Munich, I never saw that.

However, E.T. is worlds better than A.I., so I voted Other.

That first movie he did.

Not that it was overrated I just was bored to death by Munich.

I was the first to vote for it and I figured I would stand alone. I've seen it 3-4 times but it is quite a bore.

Duel (Tv) or The Sugarland Express (theatrical)?

While not overrated (mixed critical reaction and a commercial failure), I was disappointed with Empire of the Sun.

Duel, maybe I was too young to enjoy it at the time but it was quite boring.

Since I think that 8 of the 9 movies on the poll are masterpieces with Jurassic Park being a great movie, I really didn't have any choice but to vote Other.

Since I voted for other, my choice would be Nothing. I looked at his filmography and don't think any of his movies are overrated.

I don't agree anything by Spielberg is overrated, but if someone put a gun to my head and forced me to vote, I guess I would choose Close Encounters. Although, that movie is more a product of its time. If you were seeing it in the theater and experiencing the special effects for the first time in 1977, I'm sure you would have been captivated. However, Spielberg himself admits that he could never make that movie today, since as a parent he now understands a father just doesn't leave his family (well, not a good one at least).

Oh, and everyone that hates E.T. must have had really crappy childhoods. I'm sorry you guys grew up so cynical.

A.i.

Schindler's List is his most overrated, though it remains a pretty good film.

A.I.: Artificial Intelligence is his most underrated.

No. You just have lousy taste in cinema.