The Violin Assassin was an unnamed female assassin who played violin and briefly fought against protagonist John Wick after Camorra and High Table member Santino D'Antonio placed a bounty on his head .
When Italian crime boss Santino D'Antonio puts a $7 million bounty on John's head for killing his sister, this unidentified assassin is playing a violin in a station in New York but decides to kill Wick after received a message of the bounty on his phone. When John walks past her, she quickly puts the violin down and shoots several bullets from his pistol into John's body ignoring that he wears a bullet proof suit. Once disarmed by the hitman, the woman begins a hand-to-hand combat with her target but John breaks her arm before placing her in a choke hold while on the ground and snapping her neck, killing her instantly.
- Skilled Violinist: The assassin played the violin before her fight with John.
- Skilled Martial Artist: Although she was killed quickly, the assassin briefly demonstrated some level of martial arts skills during her fight with John.
- Skilled Marksman: The assassin shot John with a gun.