Tsumugi Andō is a Japanese child actor and voice artist affiliated with the talent agency Theatre Academy. As of her available professional profile, she is thirteen years old and based in Tokyo, with listed special skills that include singing, piano, guitar, and drawing.

Her career includes work in both live-action and voice acting. On television, she appeared in the TBS program Jitsuroku! Masaka no Shōgeki Jiken. Her voice acting credits include a role in the NHK FM Theatre drama Takeru-chan no Nokoshimono.

Andō is recognized in anime for her role as Tita in the 2022 film Mobile Suit Gundam: Cucuruz Doan's Island. Her voice work also extends to Japanese dubbing for foreign films, having played the daughter of Gorr in the Japanese dub of Thor: Love and Thunder.