Nana Nanahoshi is a character from the anime Yu-Gi-Oh! Sevens. She is a fair-skinned young girl with green eyes that sometimes take on a purple hue and purple hair shaped into a spherical haircut. Her typical attire consists of a pale yellow top worn over a white undershirt, pale pink overalls, and white shoes. She accessorizes with a hat patterned after a ladybug's shell and carries a small bug catcher at her hip. In the Japanese version, her name is Nanaho Nanahoshi, and she is described as a young ladybug-themed kunoichi.

Nana serves as the secondary antagonist of the Goha Employee arc within the series. She is the cousin of Rayne and Rino Nanahoshi and is a childhood friend of the protagonist, Yuga Ohdo. At Goha Number Five Elementary, she holds the position of president of the Battle Bug Club.

Her background and motivations are tied to her role within the story as an antagonist during a specific arc, though detailed information about her personality and deeper motivations is limited. Her key relationships include her cousins Rayne and Rino, as well as her longstanding friendship with Yuga Ohdo. Her notable abilities are centered around her affinity for bugs, reflected in her ladybug-themed design, her role as president of the Battle Bug Club, and her possession of a bug catcher. Further details about her character development and specific abilities in dueling are not extensively documented in the available information.