The redhead in The Walking Dead is the character named Rosita Espinosa.

Rosita Espinosa, portrayed by Christian Serratos, is a character in the television series The Walking Dead. She is a survivor of the zombie apocalypse and a member of the main group of survivors. Rosita is known for her distinctive red hair, which has become one of her defining features. She is a strong and resourceful character who is skilled in combat and survival tactics. Rosita is often seen wielding a machete and is a valuable asset to the group. Throughout the series, she forms various relationships and alliances with other characters, contributing to the overall storyline. Rosita’s character development and growth make her a fan-favorite among viewers of The Walking Dead.