Personal Data:
Birthday: September 23
Horoscope: Libra
Gender: Female
Age: 12-13 (Part I), 16 (Part II)
Height: 149.3 cm (4'89'')-151.2 cm (4'96'') (Part I), 162.2 cm (5'32'') (Part II)
Weight: 38.2 kg-38.5 kg (Part I), 46 kg (Part II)
Blood Type: B
Clan: Yamanaka clan
Family: Inoichi Yamanaka (Father)
Affiliation: Konohagakure
Team:
Team Asuma
Konoha 11
Team Three
Nijū Shōtai
Fifth Division
Rank: Genin (Part I), Chūnin (Part II)
Registration ID: 012604
Academy Grad. Age: 12
Chūnin Prom. Age: 14
Missions Completed: 40 (D-Rank: 23, C-Rank: 9, B-Rank: 6, A-Rank: 2, S-Rank:0)
Favourite Phrase: "The many words of flowers."
Likes: Cherry tomatoes, custard pudding, Shopping
Dislikes: Sashimi, Sakura at first
Debut:
Manga: Chapter #34
Anime: Naruto Episode #1
Jutsu:
Chakra Hair Trap Technique
Demonic Illusion: Butterfly Evolution
Formation Ino-Shika-Chō
Four-Corner Sealing Barrier
Mind Body Disturbance Technique
Mind Body Switch Technique
Mind Clone Switch Technique
Mystical Palm Technique
Ninja Art: Covered with Flowers
Ninja Art: Moonlight Beauty

Ino Yamanaka is a childhood friend of Sakura Haruno who was bullied due to her large forehead, ending when Ino befriended her. She acted like a mentor, being tougher and more confident. Under her influence, Sakura began to develope her own identity. Though close to Ino, Sakura could not help but feel she was in her shadow and upon learning they liked the same boy, ended their friendship so that they could compete for his affection, beginning a bitter rivalry. Ino shed her tomboyish look in retaliation and was more open about her feelings towards Sasuke. The rivalry stays till the Chunin Exam. Nevertheless, they have a competitive relationship. She became somewhat superficial, thinking highly of her looks and has no problem telling people what she thinks, no matter how hurtful, such as telling Choji that he should focus more on his appearance because girls dislike overweight boys. On the surface of things, both of her teammates fit the profiles of people she wouldn't associate with because of her apparent shallowness, but she actually cares deeply for their well-beings and maintains a strong bond with them. It should be noted that while Ino is portrayed as shallow she came to Sakura's aid in the Forest of Death despite their feud. She cares very much about her friends, showing deep loyalty.

As a member of the Yamanaka clan, Ino works in her family's flower shop and has become particularly talented in ikebana. She has been noted to be sharp upon occasion, such as noticing Asuma's affection for Kurenai or using chakra cleverly. The anime's filler arcs show that she's been able to find other uses for her time in the shop and can tell a person's profession by simply glancing at the condition of their hands. Being a Yamanaka has also shaped the mind-altering jutsu she uses. With the Mind Body Switch Technique, Ino can transfer to another's body and use it for a time. The anime explains her medical abilities. During the final filler arc, Ino finds herself of no use to her teammates and becomes awed of Sakura's skills. As such, Ino becomes Tsunade's second apprentice, hoping to be more useful to her friends. The anime has also shown that Ino has developed her own inner-self named "Inner Ino". She, along with team 10 plus Kakashi, aids in the dispersion of two of Akatsuki's members.