What is the name of Black Panther's sister?

Black Panther's sister is Shuri. She is the younger daughter of King T'Chaka and Queen Ramonda, and the younger sister of T'Challa, Wakanda's king and original MCU Black Panther.

Shuri is Wakanda's chief scientist and technological innovator. In Black Panther, she designs T'Challa's advanced suits, weapons, and transport systems, giving the character a role closer to Q from the James Bond films than to a conventional sidekick. Her inventions use vibranium, Wakanda's extremely strong and energy-absorbing metal.

After T'Challa's death, Shuri takes on the Black Panther mantle in Black Panther: Wakanda Forever. She recreates the heart-shaped herb and gains enhanced strength, speed, agility, and senses before confronting Namor. A common mix-up is confusing Shuri with Ramonda, who is T'Challa's mother, or with Nakia and Okoye, who are allies rather than members of his immediate family.