Mónica Valencia is a Colombian commercial announcer and voice actress recognized for her extensive work in Latin American Spanish dubbing, particularly in anime, animated series, and live-action television. She was born on June 20, 1973, in Medellín, Colombia. Valencia is considered one of the premier voice talents in Colombia, highly regarded for the quality of her interpretations and performances.

Her career encompasses a wide range of prominent voice roles in anime. She is known for voicing Mom Racer, the mother of the protagonist, in the Latin American Spanish dub of the anime series Speed Racer X. Her other significant anime credits include Layla Hamilton in Kaleido Star and its OAV sequel, Sara in Kiba, Angela in Yu-Gi-Oh! 5D's, and Haruka Gracia in Basquash!. She has also lent her voice to roles such as the Baronesa in G.I. Joe: Sigma 6, General Plata and TZ in Zentrix, and Anita Knight in El show secreto.

Beyond anime, Valencia's dubbing career is notable for her work in various animated and live-action productions. Her voice can be heard in animated series like Horseland, where she voiced Angora, Sabrina's Secret Life as Maritza, Trollz as Onyx, and Strawberry Shortcake as Papaya Parrow. In live-action television, she is recognized for voicing Sophie Devereaux in the first four seasons of the series Leverage. Her work also extends to dubbing for films, where she has provided the Spanish voice for actresses such as Kim Basinger, Liv Tyler, Thandie Newton, and Lucy Liu.