Others
Headmaster Kaien Cross
Yuki's adoptive father, who also took Zero into his home for several years. Headmaster Cross dreams of peace between humans and vampires, and established the Night Class to promote understanding between the two races. Cross is shown to have a habit of provoking Zero and is eccentric in some ways, but he has a serious side as well. It is revealed in Chapter 27 that he is a former vampire hunter. He also seems to be close to Kaname, and seems to know Kaname's parents (whom are dead and founded the peace treaty) since he is indebted to them. He has always known that Yuki was a pureblood vampire.
Toga Yagari
The current top ranked vampire hunter, Toga Yagari, formerly trained Zero to be a vampire hunter. He had lost his right eye due to trying to save Zero long ago. He showed up once at Cross Academy serving for a short while as a Night Class teacher, and to decide whether Zero is considered dangerous or not. He appears briefly in volume five, when he appears shocked about the council's decision to punish Zero. He also appears in the near end of chapter 36, giving the Bloody Rose to Zero.
Shizuka Hio
The pureblood vampire who bit Zero; even her fellow vampires are uneasy around her. She is called "Madly Blooming Princess" by her fellow vampires. A manservant whom she loved (a former human vampire, said to have never fallen to Level E) was killed by a Kiryu vampire hunter. Enraged and out for revenge, she attacked the Kiryu family, killed Zero and Ichiru's parents, turned Zero into a vampire, and took Zero's twin, Ichiru, in as a devoted servant. Shizuka's blood can prevent Zero from falling to Level E, and thus Yuki risked her life for Zero to be able to drink Shizuka's blood. However, to protect Yuki, Kaname kills Shizuka and drinks her blood, leaving only a small amount for Zero to drink. Unfortunately the blood was drunk by Ichiru who arrived at the scene first. Before dying, Shizuka warns Kaname that he will live in darkness and has summoned a sinister future for himself. She was Rido Kuran's fiancée, but they never got married due to their deaths.
Maria Kurenai
A very distant relative of Shizuka Hio. Her mind was taken over by Shizuka in return so her body could be a little stronger, since she was often sickly. Maria has returned to her family after the Shizuka incident, but has asked Yuki to tell Zero that if he sees Ichiru, to tell him Maria wants to see him again.
Asato Ichijo
Asato is Takuma's grandfather and a member of the Vampire Council. He wanted to become Kaname's guardian after the death of Kaname's parents, but Kaname did not accept. He has allowed Takuma to attend Cross Academy for the purpose of spying on Kaname. His age and demeanor brings fear to many vampires, though Aido and Ruka openly confront him when Asato implies his desire to drink Kaname's blood. Many people call him Ichiō-sama (First Elder).
Sara Shirabuki
A beautiful pureblood vampire of the Shirabuki family. She appears at a party held by the Aido family stating that "We purebloods have to stick together" to Kaname.
Rido Kuran
A pureblood vampire, Senri Shiki's father, and Haruka Kuran's elder brother (which also makes him Yuki's uncle). He is supposed to be dead and his true body appears that way; however, he is still able to transfer his soul to other bodies and take control. His eyes are two different colors (crimson and blue), and when his soul is transferred to a different body, that body has eyes of two different colors. Rido's soul currently is in control of his son's body.
According to Asato Ichijo, he is the true head of the Kuran family. He currently is secretly reviving himself and gaining power, which only the council members know. Ten years ago, he was killed by Kaname when Rido attempted to kill Yuki as a sacrifice for undisclosed purposes. Rido is also aware that his fiancée, Shizuka Hio, was killed by Kaname.
Rido is the one who revived Kaname, who is the Original Vampire. That is also the reason for Kaname for not being able to kill him.
Juri Kuran.
Yuki's mother and a pureblood vampire who resembles an older version of Yuki. Juuri was the wife of Haruka Kuran. Ten years ago when Rido Kuran appeared, she was the one who erased Yuki's memories because she wanted her to live a normal human life at the cost of her own life. Headmaster Kaien Cross stated that he is in debt to her. Her last will was for Kaname to look after Yuki. It is also revealed that she is the sister of Haruka Kuran and that it is not uncommon for pureblood vampires to marry their siblings. Her son, the real Kaname, was killed by Rido.
Haruka Kuran .
Yuki's father and a pure blood vampire. Haruka was killed by his older brother, Rido Kuran, in his attempt to stop Rido from killing Yuki ten years ago. He revealed that the Vampire Council are trying to use pure blooded vampires for the value of their existence and the power of their blood. It is revealed he is siblings with Juuri Kuran, yet loves her as a woman despite of that. His son, the real Kaname, was killed by Rido.