Tae Okajima is a Japanese voice actress from Kagawa Prefecture, born on October 2. She is affiliated with the talent agency Kenyu Office. Her career began in the early 2000s, with her debut role being Takahashi Miki in the 2002 television anime Baibei Baachan. Before entering the industry, she was a member of a theater group during her university years, where a friend's suggestion first sparked her interest in voice acting. She later trained at the Tokyo Announce Academy and other affiliated schools.

Okajima is widely recognized for her role as Kotonoha Katsura in the 2007 anime series School Days, a part she also reprised in various OVAs and video game adaptations. This performance is frequently cited as one of her most notable works. In addition to her work under her real name, she uses the alias Soyogi Tono for roles in adult visual novels and OVAs.

Her career includes a wide range of roles in both anime and video games. In anime, her major roles include Anzu Yukimura in D.C. II ~Da Capo II~ and its second season, Chōkaku in Shin Koihime Musō, Hakuryu in Saiyuki Reload, Motoka Nogisaka in Yosuga no Sora, and Meru in Happy Happy Clover. She has also appeared in series such as Strawberry Panic, We Without Wings, and Fight Ippatsu! Jūden-chan!!. In OVAs, she is known for her role as Cinnamon in the Nekopara series.

As a video game voice actress, she has an extensive filmography. Besides reprising her anime roles like Kotonoha Katsura and Anzu Yukimura, she has voiced characters in numerous games under the alias Soyogi Tono. These include Misaki Hayashida in the We Without Wings games, Ayano Kaneko in Princess Lover!, Saint Irene in Aiyoku no Eustia, and Hibari Habane in If My Heart Had Wings. In later years, she has also been credited in games such as Pokémon Masters EX as Nagi.

Beyond anime and games, Okajima's work extends to radio. She co-hosted the program Radio School Days with fellow voice actress Shiho Kawaragi and has also appeared on the program Healthy Melcy. Her voice can be heard in radio commercials, including one for the company Aderans. She has also performed character songs related to the series she has worked on, such as D.C. II and School Days.