Satsuki Kokubu is a Japanese voice actress who is affiliated with the agency Stay Luck and hails from Miyazaki Prefecture. Her professional journey began when she enrolled in the Stay Luck affiliated acting and voice training school Follow-Up in 2016, and she made her full-fledged professional debut as a member of the agency in 2019. Since then, Kokubu has built a versatile career, providing voices for a wide array of characters in anime, video games, and dubbing for international films and television series.

Among her notable anime roles, Kokubu is known for playing Yūma Nikaidō in the series The Yuzuki Family’s Four Sons. Yūma is portrayed as a calm and intelligent friend of the main character Minato Yuzuki. Her other significant anime appearances include roles in major series such as Kingdom, The Rising of the Shield Hero, Do It Yourself!!, Chainsaw Man, Frieren: Beyond Journey’s End, The Dangers in My Heart, and Terminator Zero. She has also been featured in Blue Miburo, Nina the Starry Bride, and Orb: On the Movements of the Earth, often taking on roles such as young boys, classmates, and supporting characters.

Beyond Japanese animation, Kokubu is active in the field of dubbing for foreign media. She has lent her voice to Japanese-language versions of numerous international films, including The Flash, Free Guy, Jolt, Nightmare Alley, and Don't Look Up. Her dubbing work also extends to television series such as The Walking Dead: Daryl Dixon, Reacher, and Lupin. In the video game industry, her credits include providing the Japanese voice for Kitakka in Horizon Forbidden West, as well as roles in Olympia Soiree, Echoes of Pandora, and Tower of Sky. With this range of work, Kokubu demonstrates a broad talent for bringing diverse characters to life across different media formats.