Catherine Cavadini, also known professionally as Cathy Cavadini, is an American voice actress with a career spanning from 1983 to the present. She is widely recognized for her extensive work in animation, video games, and as a singer. Her career includes voice work in English dubs of anime series and films.

Cavadini has provided voices for several English-dubbed anime productions. Notably, she voiced the role of Kanae Murota in the Netflix original anime series Japan Sinks: 2020. She also voiced the character of Miku's Mother in the Netflix anime series The Way of the Househusband and later voiced the character Yokoh in its third season. Her other anime and Asian animation credits include roles in the English versions of Garouden: The Way of the Lone Wolf as Gunsō and the Korean animated film Sky Blue as Cheyenne, Jay, and Young Shua.

Beyond these specific credits, a significant portion of Cavadini's work in English adaptations of foreign films and series is in automated dialogue replacement, or ADR, where she has contributed to innumerable movies and television shows. Her career is marked by frequent work across various genres and formats, often providing additional voices for major studio productions. Her filmography lists recurring work on video game franchises such as Final Fantasy, where she voiced Jessie's Mother in Final Fantasy VII Remake and Calli in Final Fantasy X, and in the White Knight Chronicles series as Kara. She has also had recurring voice roles in numerous American animated series, including Blossom in The Powerpuff Girls, Tanya Mousekewitz in An American Tail: Fievel Goes West, and Glitter in Kidd Video.

Throughout her career, Cavadini has received recognition for her work. In 1998, she was nominated for an Annie Award for Outstanding Individual Achievement for Voice Acting by a Female Performer for her role as Mary in the animated film Babes in Toyland, a role for which she also provided singing. The song Dreams to Dream, which she sang as the character Tanya Mousekewitz in An American Tail: Fievel Goes West, was nominated for Best Song at the 49th Golden Globe Awards. In 2003, she was honored with a White House Project Epic Award, which recognizes projects that promote women's leadership, for her work as the voice of Blossom in The Powerpuff Girls Movie. Additionally, she has received two Emmy Award certificates for her contributions to the sound of the television series The X-Files.