She was a murderer and a potato. So this doesn't technically count as killing.
All S1
S1 E15Unfinished Business
You wanna dance, baby? Let's fucking dance!
Golf goes against everything I stand for. Privatizing green space so old men with shrimp cocktail breath can hit their tiny white balls with long hammers.
I always knew you were a hero.
I'm better than a hero. I'm Harley Fucking Quinn.
JGJim Gordon
When I find the monster responsible for shooting my Babsy, these old tuna cans are going to tear him limb from limb, eat the very flesh from his bones, then make a soothing broth with his carcass to use as a base in stews. Then I'm going to learn how to make a stew.
Everyone knows if you don't kill a hostage in the first 24 days, it's never gonna happen.
[To Harley] Hey, this is kind of weird for me to say, but your occasional willingness to help people even while blowing the shit out of them, is inspiring to me. Like, tote bag level-inspiring
The Mother Box: my favorite means of intergalactic transportation and body part.
[Fighting Ivy and Harley] I get better workouts digesting dairy.
[Wheels up in the Cemetery, Interrupting Harley and Ivy making out] Wow, That is messed up.
Oh, Come on! My hands weren't even in her pants yet!
I was talking about the moon. [Points to moon]
Batgirl did it! We're in!
What... what are you doing?
Mowing down tech, oil and cosmetic pharmaceutical companies in the name of socially conscious evil!
Oh, I love the plan, very emotionally cool, obvs, but maybe first, let's evacuate the buildings, huh?
I mean, do we really have to, or...
[On phone] I just remotely pulled all the fire alarms in Gotham.
Okay, now you're just showing off! [To Poison Ivy] Who are we going to blow up first, hot stuff?
Let's rain fire on EWBC! [Harley squeals and slams button] Veronica Cale's company, boom! Talia Wayne's company, boom! That overpriced oyster place that isn't even good, boom!
[Mark Zuckerberg's corpse lands on her window] What the zuck?! What the fuck?
PBPA Batgirl
[Clayman is gambling at the Luxor Las Vegas casino] Evacuate the building immediately!
CClayman
[Looks at phone] Drats! Bankrupt again! Curse you, White Collar Wine! [Detonates casino explosives]
[Witnesses explosion from prison window] The world needs Batman again. [Snaps finger and prison butler hands him phone] Do it. Call Judge Chase. Tell him his stepdaughter got an internship at WayneTone Records.
LLawyer
I'll have you out by lunch.
I love when we're in sync like this.
Yeah, like back in '53, when Dizzy Gillepsie [makes trumpet playing gesture] horned it up with Charles Mingus.
Turn that thing off! You're going to break the moon!
These quotes come from Wikiquote's Harley Quinn pages and are available under the Creative Commons Attribution-ShareAlike License.