Karen Kahler is an American actress and voice actress known for her work in English-language dubs of anime series and video games. She is based in Texas and has been affiliated with studios such as FUNimation Entertainment and Sound Cadence Studios for her voiceover work.

Kahler is perhaps best recognized for her dual role in the anime series Little Witch Academia, where she provided the voice for Professor Anne Finnelan, the strict Magic Linguistics teacher at the Luna Nova Magical Academy, as well as the voice of Professor Lukitsch. Her other notable anime voice roles include Mrs. Yamada in the supernatural action series Gleipnir, Sarasa's Grandmother in Kageki Shojo!!, and Kalocon in Suppose a Kid from the Last Dungeon Boonies moved to a starter town?. Her film dubbing work includes the role of Grandma in the movie Memories.

Beyond her anime work, Kahler has an extensive career in video game voice acting. Her credits in this field include roles such as Oneida in Dust: An Elysian Tail, the title character in Loren The Amazon Princess, the narrator in Anna's Quest: Volume 1, Jessica Wagner in Wing Commander Saga, and Phoenix Ra in Heroes of Newerth. She has also voiced characters in numerous other games, including the Spirits of Mystery and Witches' Legacy series.