Alison Viktorin is an American former voice actress known for her extensive work in English-language dubs of anime series, primarily with Funimation and OkraTron 5000. Born Alison Ruth Retzloff on February 1, 1981, in Houston, Texas, she developed an early interest in performance. She earned a Bachelor of Arts in Drama from California Lutheran University in 2003. Following her graduation, she began her voice acting career in 2004, initially using her maiden name, Alison Retzloff.

Viktorin's career was marked by her frequent collaborations with Funimation, where she became a prominent voice in the industry. Her first major starring role was as the voice of the child detective Conan Edogawa in the long-running series Case Closed, a part she played for several years. One of her most significant and recurring roles was Kuroko Shirai in the popular A Certain Scientific Railgun and A Certain Magical Index franchises. She voiced Kuroko across multiple series and the film A Certain Magical Index: The Miracle of Endymion, becoming closely associated with the character.

Her filmography includes a wide range of other notable characters. She voiced the title role in Sasami: Magical Girls Club, Kobato Hasegawa in Haganai, and QT in Space Dandy. She also played a young Ame in the critically acclaimed film Wolf Children and Shingo Jinnouchi in Summer Wars. Viktorin demonstrated versatility by taking on both young male and female characters, such as Gasper Vladi in High School DxD and Shōta Magatsuchi in Miss Kobayashi's Dragon Maid. Other prominent roles from the user's list include Sherria Blendy in Fairy Tail, Mao in Endro!, Popuko in Pop Team Epic, Haruka Yasaka in Sarazanmai, Akira Mishima in Convenience Store Boy Friends, Fuurouta in Concrete Revolutio, Chiharu Ando in Chio's School Road, Acra in The Tower of Druaga: The Sword of Uruk, Carmichael in Strain: Strategic Armored Infantry, and Tomoko in Heaven's Lost Property: Project Pink. Beyond anime, she also provided the voice for the character Jing Wei in the video game Smite.

In 2021, Viktorin announced her retirement from anime voice acting. Following her departure, several of her notable roles were recast in subsequent series and seasons, including Conan Edogawa in Case Closed, Shōta Magatsuchi in Miss Kobayashi's Dragon Maid, and young Kyo Sohma in Fruits Basket.