Katharina Lopinski is a German actress and voice actress known for her extensive work in dubbing international films and television series. She was born on February 17, 1945 in Hildesheim, Germany. Lopinski trained as an actress at the Otto Falckenberg School in Munich and subsequently performed on stage at theaters in Frankfurt, Cologne, and the Staatstheater Stuttgart.

While Lopinski has appeared as a screen actress in German television productions such as Hamburg Transit and Tatort, she is best known for her prolific career as a dubbing voice artist. She has provided the German voice for numerous acclaimed actresses, including Jamie Lee Curtis, Julianne Moore, Julie Walters, Olivia de Havilland, and Madeline Kahn. One of her most prominent and long-running roles is providing the German voice of Lois Griffin on the animated series Family Guy. She also served as the German voice of actress Julie Walters as Molly Weasley throughout the Harry Potter film series.

In the realm of anime and Japanese animation, Lopinski has contributed to several notable German dubs. She is recognized for her role as Erina Joestar in the anime series JoJo's Bizarre Adventure. Specifically, she voices Erina Pendleton (later Erina Joestar) starting from episode 10 of the series, taking over the role from another actress. Her other anime voice credits include the role of Belchero in the series Made in Abyss.