It seems like I picked the right time to join up. One of my favorite quotes:

"There's someone in this ******* room!" - Ginny from Friday the 13th Part 2.

Haha don't remember that one :D

"If my brother hadn't hit him in the head repeatedly with a blender, he would've killed me." Intruder

"Yeah, well…that's just like, your opinion, man." The Big Lebowski (had to include a non-horror quote)

"What's your favorite scary movie?" Scream

"Sarah, be my bloody valentine!" My Bloody Valentine

"Beware of what you make fun of, you little asshole!" My Bloody Valentine

"Meet me at the waterfront, after the social." Sleepaway Camp

"They're coming to get you, Barbara." Night of the Living Dead

lol it was when the grave keeper was there,

"Hello, My name is Inigo Montoya, you killed my father, PREPARE TO DIE!!!" - The Princess Bride

"My God man we're a tourist attraction"-Babylon 5:The Gathering

The next scene with the reply is funny too.

"We have such sights to show you!" - Pinhead, Hellraiser

"We've come for your daughter" - Beetlejuice

"I am...Dracula" - Bela Lugosi, Dracula. And every other damn line of his as well.

I have so many favorite lines, I'll stop here.

Favourite quotes
 

What is your favourite quote from a horror movie? I'll start with "when there is no more room in hell, the dead will walk the earth"