All these AUs were created by multiple different people on Tumblr, some of them you can find as a Tumblr post screenshot on Pinterest.

Timer Soulmate AU! Where there’s a timer on your wrists that counts down to when you meet your soulmate.

First Words Soulmate AU! Where you know the very first words your soulmate will ever say to you or what you’ll first hear them say when you meet.

Alternative: Same thing but you know the words once you turn 18.

Last Words AU! Where you know the last words your soulmate will ever say to you. You don’t know you met them till you lose them.

Age Soulmate AU! Where you stop aging at 18 till you meet your soulmate.

First Touch Soulmate AU! Where there’s a black stain where you and your soulmate should make first contact. Like someone has a black stain over their knuckles. That means they’re going to punch their soulmate (probably at least) upon first meeting and contact.

Writing Soulmate AU! When you write on your skin the same mark appears on the same place as your soulmates. Such as if you doodle on your skin your soulmates gets those doodles on their skin.

Your Name Soulmate AU! Where you have your soulmates name on your wrist. First or last name (up to you).

Alternative: Name appears once you’re 18.

Alternative: It’s your enemies name on your wrist.

Alternative: Both your soulmates name and enemies name, you don’t know which is which.

Other Half Soulmate AU! At birth you are given a necklace that is the missing half of your soulmate’s necklace.

Colour Blind Soulmate AU! Where you’re completely colour blind till you meet your soulmate

Optional: Things go back to black and white when they die.

Optional: Except of when you meet your soulmate its when you and your soulmate first touch.

Sharing Pain Soulmate AU! Where bruises, cuts, blisters, and such appear on your skin if your soulmate gets them and visa versa. Like if you get a paper cut your soulmate gets the same cut.

Optional: You don’t feel the pain of it. Or you do feel the pain of it and can help treat the wound so your soulmate is okay.

Hues Of Hair Soulmate AU! Where you have a strip of your soulmates hair colour on your wrist and when they dye their hair it changes.

Colour Of Your Eye Soulmate AU! Where you only see in the colour of your soulmates eyes, you can’t see other colours till you meet them. Like if your soulmate has blue eyes you can only see blue till you meet them.

Alternatively: You can’t see the colour of your soulmates eyes. Not until you lock eyes with them and see a whole new colour in them.

Light Of The Heart Soulmate AU! Where the center of your chest glows when you and your soulmate meet.

Ex: That one comic that has the nerd in the jock that’s connected to the original post. Find it on pinterest if not on tumblr.

Fear In My Soul Soulmate AU! Where you feel when your soulmate is about to die and can help prevent it. Like you feel a pain in your soul when they’re in trouble.

Heterochromia Soulmate AU! Where you have one eye that’s your your eye colour and the other has your soulmates eye colour. When you meet and make eye contact, your eyes switch back to their original owner.

Mark We Share Soulmate AU! Where you and your soulmate have identical marks that match each other. Like you have the mark of a cat curled up in a ball, your soulmate has the exact same cat.

Optional: When you and your soulmate make physical contact, the mark moves to meet each other. For example your soulmate touches your hand, both of your cats rush up to meet each other.

Red Thread Of Fate AU! You know the legend of the red thread of fate? That’s this AU. A red thread of string on your pinkey finger that connects you to your soulmate. The thread cannot be broken but it will stretch and tangle.