Kristina von Weltzien (born 1973 in Kiel) is a German voice actor who provides voices for the German version of Thomas & Friends.

She is known best for playing Amelie Amsel from "Die Schule am See", but she is also known for voicing Charlotte Watsford from "H2O: Just Add Water", Janice Quatlane from "Professor Layton and the Eternal Diva", Lucrezia Noin from "Mobile Suit Gundam Wing", Tenma Tsukamoto from "School Rumble", Po from "Teletubbies", Becky Lopez from "George Shrinks", Hawkgirl from "DC Super Hero Girls", and the title character She-Ra from "She-Ra: Princess of Power". Other German dubbing credits include "Miss Marple" and "Poirot".