Marina Aicholtz is a Japanese-American voice actor and narrator known for her work in Japanese commercials and anime. She was born on July 22, 2000, and is of mixed heritage, with an American father and a Japanese mother. Raised in a bilingual household, she learned Japanese from her mother from kindergarten through age five.

Aicholtz began her voice acting career in 2009, initially working on commercials for brands such as Mr. Donuts and ABC Mart. She gained wider recognition for her narration work on the long-running Au no Santaro commercial series for the mobile phone carrier au. Her distinctive voice, often described as having an English intonation pattern, also became familiar to Japanese television audiences as the narrator for the variety show Shinsetsu! Tokoro JAPAN on Fuji TV.

In the field of anime, Aicholtz is known for her work in the Pokemon franchise. In Pokemon Journeys, she provided the voices for several of the character Goh's Pokemon, including his Chinchou, Flabebe (White Flower), Gossifleur, and Rotom Phone. She also voiced the Pokemon species Abra and Rotom in the series. Her other significant anime role is Calvin in the Netflix original stop-motion animated series Oni: Thunder God's Tale, which was released in 2022.

Aicholtz is affiliated with the talent agency FREE WAVE. Beyond voice acting, she has expressed interest in pursuing singing and acting, with the goal of working internationally. She has been recognized for her acting ability since childhood and has appeared in live-action films and dramas.