Possessive Yandere: This yandere will do what ever it takes to keep you as a possession, it'll include killing you.

Obsessive Yandere: This yandere IS obessed with you, he/she probably even has a shrine dedicated to you

Canniable Yandere: This yandere might have enough of you lieing, and will decided to cut you up and eat you, it may be gross but i don't why they would that far

Hell Yandere: A yandere whose killstreak makes her sound like death itself. The only known hell yandere would be Yuno Gasai herself from Future Diary.

Incest Yandere: This yandere is as rare as the hell yandere. As the name says it, this yandere is a person that loves his/her relative TOO much. The only known Yandere is Belraus from Hetalia.

Yangire. Updated: A friend mentioned that it just mean sociopath is a way. They're just insane like yandere, but kill for a different purpose. 

Assault Yandere: This yandere can stalk, kill,gain information to blackmail their 'rivals' and be with you at other times.

Defensive Yandere: This role can be both possessive and obsessive, these yandere could be stalking you right now, or be with you and kill a girl that talks to you, they could've even had a small weapon with them.

Homosexual yandere: This yandere loves even though you're the same gender as them. The down side could be that, you're not into the same gender or you love another person.

Double yandere: These yanderes are the harem kind. They will be more difficult to avoid since they work together.

Medical yandere: Basically a yandere that has full access to not just your medicines but to also deadly chemicals, that can be used to torture others.

Intelligent yandere: These yanderes can plan ahead, they may be smarter and make a plan that can kill your entire family.

Sadistic yandere: these yanderes will either torture you through violence or sexual activities. This yandere tortures their loved one just to teach them that they shouldn't leave them.

Stalker Yanderes: These yandere can use their stalking tactics to gain information to blackmail their 'rivals' and find out on what you've been doing.

School Yanderes: This yanderes had met you in school, and is now obsessed with you.

Religious Yandere: These yanderes could've me you in Church or other religious meeting grounds. These yanderes obsesses about you almost more than her/his religion, and might say that god brought you two together. 

Yandere Duelists: These yandere are a harem kind as well, but except they will constantly fight over you almost non-stop.

Trio Yandere: The classic yandere harem, the three will work together and share you, basically what three girl/boy harem would do if they lost their sanity.

Otaku Yandere: These yanderes should be known for having inspiration by famous yanderes from animes or use other Yandere killing methods.

Protective Yandere: These yandere care about you so much, they will protect from practically almost anything.

Assistant Yandere: This yandere comes in two forms, one is actually an assistant to the Yandere, helping them. Another one is a yandere helping a non-yandere get their lover to love them back.

Tsun-Yan-Dere: The rare Dere, is a combination of Tsundere and Yandere. It's like fire and wind, sometimes against eachother, and more difficult to calm.

Gun Yandere- The type of yandere that uses guns. A whole lot more dangerous, and you need REAL bravery to stand up to a gun yandere.