Hiking and shooting.
Manga/anime, especially yuri.
Music, especially techno, new wave and classical.
Movies, especially political thrillers, procedurals, police and military themed movies, also action, sci-fi horror, girls with guns, spy...

Lots of other stuff too.

Watching college football (US), playing sports, working out...

A jock and a scholar....impressive.

I run a fair bit and I'm a pretty keen photographer. I watch rather alot of movies too.

I'm a puppeteer, though awesomely it's slowly turning into more of a job than a hobby.

I also write, and I hope the same happens with that. I'm making little bits here and there, but nothing steady yet. I like to draw, too, though all I've gotten out of that so far is an unpopular webcomic. XD

Whoa heroclix. I used to play that. Well online in an RPG scenario setting.

That said, i do a bunch of differnet stuff but it varies, so i'm not sure there is much i can call i'm dedicated enough to as a hobby.

I do play the Marvel Superheros game a lot, creating tons of characters from other media like cartoons and anime and integrate them in one big persistant world.

Reading has always been my number one hobby, though I've slowed down a lot recently. I've read many, many books. I watch some anime, some Japanese and Korean drama, and now and then I'll become addicted to a really good manga (Yankee-kun and Megane-chan at the moment). I'm a big fan of American Football and watch a lot of games with friends. I get really into Fantasy Football, as well, so I can talk trash when I win yet another championship.

My girlfriend?

 lol football (the real one... not the American), beer, tennis, mangas and TV series... I guess that all.

Drawing, photo editing/photoshopping.
Then there's watching anime, movies, music, TV, science, working out.

Man I thought I was the only one on any Video Games site who play HeroClix.

Have play Legendary yet? Its amazing co-op card game.