Saki Iijima is a pseudonym used by the Japanese voice actor Yumi Takada for performances in adult animated works. Born on September 21, 1975, in Tokyo Prefecture, she is professionally affiliated with the talent management firm 81Produce. Under her real name, Yumi Takada, she has an extensive career in mainstream anime, with notable long-running roles including Yoshinaga-sensei in the Crayon Shin-chan film series and Ayeka in the Tenchi Muyo! franchise.

Under the alias Saki Iijima, she contributed to numerous adult animated OVA series, primarily during the 1980s and 1990s. Her credited roles in this capacity include Yumi Mikogami in Nightmare Campus, Rei-Lan in Orchid Emblem, and the dual role of Empress Necros and her disguise Dean Narumi in Venus 5. She also voiced Kayo Asakura in Demon Beast Invasion, Kayoko Kuraishi in Tokio Private Police, and Komaba Ikenoue in Body Jack - Tanoshii Yutai Ridatsu. Her work in this genre also extends to the long-running Cream Lemon series, where she is credited as Seiko Madogiwa in the original series and as Shimeji Aoi in the related Shin Cream Lemon titles, as well as voicing Yuki Sawai in the spin-off Ami: Sore kara.