Here are all the types of pies I can think of. Be creative and think of your own, then leave that idea in the comment world.
Apple pie
Blueberry pie
Cherry pie
Black berry pie
Strawberry pie
Lemon pie
Orange pie
Coconut pie
Poop pie
Mud pie
Tangerine pie
Mango pie
Veggie pie
Sand pie
Cake pie
Lolipop flavored pie
Pie pie
Marshmallow pie
Pumpkin pie
Turkey pie
Chocolate pie with whipped cream
Key lime pie
Pizza pie
Fake toy pie
Math pie: pi
Wooden pie
Burger pie
Birthday pie
Freshly cooked pie (mmmmm)

Let me know if I missed any thing...
Pixelnozy: uranus pie
Pixelnozy: pudding pie