Mitsuki Tanimura is a Japanese actress who was born on June 18, 1990, in Osaka Prefecture. She is affiliated with the talent agency Hori Agency. Her career in the entertainment industry began in the early 2000s, with her film debut in 2005's Canary, a performance that earned her the Grand Prix award at the Raindance Film Festival and the Best New Actress award at the Takasaki Film Festival. While her primary body of work is in live-action film and television, Tanimura has also contributed her voice to several notable animated projects.

In the realm of anime, Tanimura is recognized for her voice roles in acclaimed animated films. In 2006, she voiced the character Kaho Fujitani in the highly regarded film The Girl Who Leapt Through Time. She continued to take on voice acting roles in 2009, providing the voice for Miho in Oblivion Island: Haruka and the Magic Mirror and for Kazuma Ikezawa in the popular film Summer Wars. Another credit to her name is a role in the 2012 film Wolf Children Ame and Yuki, where she voiced the character Doi's wife.

Her work spans different directors and studios, demonstrating her versatility as a performer across both live-action and animated media. Her contributions to anime, while part of a broader acting career, are connected to some of the most celebrated animated films of their respective years.