Tōko Aoyama is a Japanese voice actress born on November 3, 1976 in Tokyo, Japan. She is affiliated with the voice acting agency 81 Produce, having joined the company in October 2004 after beginning her career in the 1990s with agencies such as Stardas-21 and Office Kaoru.

Aoyama is known for her versatility, frequently voicing characters ranging from young boys to quirky creatures. Her anime television credits include the role of Kenta Kitagawa in Digimon Tamers, Nasubi in the Hozukis Coolheadedness series, Boomer in Demashitaa Powerpuff Girls Z, the Principal in Hanamaru Kindergarten, Mishil in Pretty Rhythm Dear My Future, and Saeko Tanaka in With You Mitsumeteitai. She has also performed as Sakuemon Tomimatsu in the long-running series Nintama Rantarou and has had supporting roles in major franchises such as Gintama, Major, and Crayon Shin-chan.

In animated films, Aoyama has voiced Kenta Kitagawa in Digimon Tamers Runaway Locomon, Satoru in The Golden Laws, and appeared in movies including The Rebirth of Buddha and several Crayon Shin-chan films. Her video game work includes roles in Valkyrie Profile 2 Silmeria, the.hack//G.U. series, Granblue Fantasy, and Danganronpa Another Episode Ultra Despair Girls. Additionally, Aoyama is active as a dubbing artist for foreign media, providing Japanese voices for characters in series such as Steven Universe, Adventure Time, ER, and Malcolm in the Middle. She has also performed character songs and theme songs for projects including Hozukis Coolheadedness and Digimon Tamers.