Catherina Martínez is a Spanish voice actor known for her work in dubbing foreign-language productions for the Spanish market. Her professional activity is primarily documented in animated series and films, where she provides voices for characters in the European Spanish version.

A notable aspect of her career includes voice work in anime series. She is credited as the European Spanish voice for the character Shinobu in the Pokémon anime. Beyond anime, her dubbing work extends to various animated productions. She voiced the character Delilah in the animated series 101 Dalmatian Street and provided the voice for Maddie Wachowski in the Spanish dub of the television series Knuckles. Her film work includes voicing the character Isabella in the animated movie Inspector Sun and the Curse of the Widow Spider.