Leisha Medina is a Venezuelan voice actress, singer, and locutor, recognized for her extensive work in Latin American Spanish dubbing across animation, anime, and live-action media. Born in Caracas on November 13, 1986, she began her career in dubbing at the age of nine, working primarily with the studio Etcétera Group. Her early interest in the field was sparked by visiting the studio where her mother, also a dubbing actress, worked, and she started with small roles before landing her first major character.

Medina's filmography in anime is diverse, featuring a range of prominent roles. She is the voice of Tsugumi Shibata in the series Hell Girl and Noeru in I'm Gonna Be An Angel!. Her other significant anime credits include Lan Fan and Nina Tucker in Fullmetal Alchemist: Brotherhood, Nancy Makuhari in R.O.D. the TV, Steel Angel Tsunami in Steel Angel Kurumi, and Amy in Burst Angel. She also provided voices for characters in series such as XxxHOLiC, Humanoid Monster Bem, Pita Ten, Hack//SIGN, and Beyblade.

Beyond anime, Medina is widely known for her work in animated series. She gained recognition as the voice of Dora in Dora the Explorer, a role she performed for 15 years. Her repertoire also includes leading characters such as the titular Steven Universe in Steven Universe, Jenny Wakeman in My Life as a Teenage Robot, and Starfire in Teen Titans Go!. For DC Entertainment, she has become a recurring voice for Harley Quinn in various productions, including the animated film Batman Ninja and Justice League, as well as roles like Barbara Gordon in The Batman and Vicki Vale in Batman: Year One. She has also voiced characters for the Winx Club franchise, including Icy from the fifth season onward and Amore.

In addition to her acting work, Medina is a professional lyric and contemporary singer with a mezzosoprano vocal range, and she frequently performs songs for the characters she dubs. She has participated in live concerts, such as the Steven Universe Mega Concierto. Since 2014, she has also been dedicated to teaching as a voice coach and music producer. She is the founder and CEO of Voicesplace Productions, a Venezuelan academy noted for being the first in Latin America to offer specialized training in musical dubbing. With a career spanning over two decades, Leisha Medina remains an active and influential figure in the Latin American dubbing industry.