Cristina Valenzuela, known professionally as Cristina Vee, is an American voice actress, voice director, and singer born on July 11, 1987, in Los Angeles, California. She has built a prolific career providing voices for English dubs of anime, animated series, and video games since 2005. She is also known by her stage name, Cristina Vee.

Valenzuela grew up in Norwalk, California, near Los Angeles. Her interest in voice acting was sparked at the age of twelve after watching the anime series Sailor Moon, which inspired her to pursue a career in the field. She attended California State University, Long Beach, where she studied theatre arts and graduated in 2007. Her entry into the professional voice-over industry began after attending an Anime Expo convention, where she connected with voice actor Wendee Lee and was invited to audition for Bang Zoom! Entertainment.

Her filmography includes a wide range of significant roles in anime. Some of her most prominent parts include Louise in The Familiar of Zero, Nanoha Takamachi in the Magical Girl Lyrical Nanoha series, and Homura Akemi in Puella Magi Madoka Magica. She is also the voice of Killua Zoldyck in the Viz Media English dub of Hunter × Hunter, Rei Hino / Sailor Mars in the redub of Sailor Moon, and Hawk in The Seven Deadly Sins. Her roles extend to other well-known series, such as Mio Akiyama in K-On!, Darkness in Konosuba, Morgiana in Magi: The Labyrinth of Magic, and the Honoka sisters in Knights of Sidonia. She also voiced Thoma in The Promised Neverland and Emilia in Ultramarine Magmell, as well as the characters Mick and Stoke in the English adaptation of The Journey Home.

Beyond anime, Valenzuela is widely recognized for her work in Western animation and video games. Since 2015, she has voiced the title character Marinette Dupain-Cheng, also known as Ladybug, in the animated series Miraculous: Tales of Ladybug & Cat Noir. In video games, she is known for her performances as the titular character Shantae in the Shantae series, Bennett and Xingqiu in Genshin Impact, Velvet Crowe in Tales of Berseria, Noel Vermillion in the BlazBlue series, and Riven in League of Legends. She has also worked as a voice director, notably on the crowdfunded video game Indivisible.

In addition to acting, Valenzuela is a singer and has performed theme songs for several video games, including Shantae: Half-Genie Hero and Shantae and the Seven Sirens, as well as songs for the mobile game Arknights. She has also worked as a television host for programs like AnimeTV and as a live host for IGN's League of Legends tournaments.