Margarida Maria da Mota Ferreira Machado is a Portuguese actress and voice actor known for her work in dubbing animated series and films for Portuguese audiences. Her career includes a variety of roles in popular childrens animated series. She is recognised for voicing the character Cátia in the series As Gémeas de Santa Clara, the Portuguese dub of The Twins at St. Clares.

Her extensive voice work includes providing the Portuguese voice for several characters across different shows. In Meu Pequeno Pónei, she voiced the characters Laçarote and Fumaça. She contributed to Ana dos Cabelos Ruivos, the Portuguese version of Anne of Green Gables, voicing Tia Josefina, Josefa Pinto, Sra. Salomé, and Sra. Francisca. Her other roles include Menina Emília in Kissyfur, Mãe Urso in A Família Berenstain, and voicing Touni in the series Touni e Litelle. She also performed voice work for series such as Ursinhos Carinhosos, A Tartaruga Touché, and The Weekenders, among others.

In addition to her work in television series, Machado contributed her voice to animated specials and films. She voiced the character Pedro in the special A Árvore de Natal. Her film dubbing credits include playing Catherine and the Rainha in A Cinderela, and the character Dow Jones in Bebés em Festa. She was also involved in the musical aspect of dubbing, performing the song "Canta Rouxinol" for the Portuguese version of Cinderela.