Aldo Ramirez is a Mexican voice actor known for his work in Latin Spanish dubbing of anime and live-action series. He began his career in dubbing in 2014, entering the industry at the suggestion of his uncle, Marco Venosa, who was also an actor in the field. Before dedicating himself to voice acting, Ramirez studied biology.

Ramirez has built an extensive filmography in anime, lending his voice to a wide variety of characters. He is recognized for his role as the floor guardian Cocytus in the Overlord series, including Overlord III. He also voices the stoic samurai Kosame Isshiki in Appare-Ranman! and the powerful tennis player Genichiro Sanada in The Prince of Tennis II Hyotei vs Rikkai Game of Future. Other notable anime roles include Guel Jeturk in Mobile Suit Gundam: The Witch From Mercury, Hitogami in Mushoku Tensei: Jobless Reincarnation, Dr. Franken Stein in Soul Eater, Askeladd in the Crunchyroll dub of Vinland Saga, Shiho Kimizuki in Seraph of the End, and Majima in Lycoris Recoil.

In addition to his on-screen roles, Ramirez frequently works as an ADR director for Latin Spanish dubs. He has directed the Spanish dubs for several anime series, often while also voicing a character. Examples include directing and starring as Kosame Isshiki in Appare-Ranman!, and directing the first season of Spice and Wolf. He also served as the ADR director for Dragon Goes House-Hunting. His work is often associated with dubs produced in Mexico by studios like Haymillian.

His versatility extends across numerous other series, with credits in titles such as Ranking of Kings, More Than a Married Couple, But Not Lovers, Fuuto Pi, Deca-Dence, and Noragami. One of his acclaimed performances is as Rintaro Okabe in the Latin Spanish dub of Steins;Gate.