Mika Kikuchi is a Japanese actress, voice actress, and singer born on December 16, 1983. She began her entertainment career on stage in 2000, making her debut as Janet in the Japanese production of the musical Annie. Kikuchi's early on-screen roles included small parts in films such as Suicide Circle and Battle Royale II: Requiem. Her first major live-action role came in 2004 when she was cast as Koume "Umeko" Kodou, also known as DekaPink, in the Super Sentai series Tokusou Sentai Dekaranger.

In 2005, Kikuchi expanded her career into voice acting. Her first major anime role was providing the voice for the character Mokona Modoki in the anime adaptations of the CLAMP manga Tsubasa: Reservoir Chronicle and xxxHolic. She would reprise this role many times over the following years, appearing as Mokona in various OVA sequels including Tsubasa Tokyo Revelations, Tsubasa Spring Thunder Chronicle, xxxHolic Shunmuki, and xxxHolic Ro. Also in 2005, she landed her first lead anime role as Arika Yumemiya in the series Mai Otome and its sequel, My-Otome Zwei.

Kikuchi's voice acting career continued to grow with a variety of roles. She voiced Monami Suzuki in the racing anime Capeta, the character Shiromi in Pokémon: Battle Frontier, and Pichu in the 2006 television special Pokémon Mystery Dungeon: Team Go-Getters Out of the Gate!. Her later roles include Bougainvillea in the 2009 series The Girl Who Leapt Through Space, Saki Amase in Corpse Princess: Kuro, Bluebell in Katekyo Hitman REBORN, and Noriko Isobe in the popular series Girls und Panzer. In 2018, she voiced the character Liza in the anime adaptation of the game Last Period: The Journey to the End of the Despair. A more recent role is Emily Tobihoshi, also known as Kizuna Yellow, in the 2025 series The Red Ranger Becomes an Adventurer in Another World, a role that connects back to her live-action roots in the Super Sentai franchise.

Throughout her career, Kikuchi has had recurring collaborations with several fellow performers. She frequently worked with voice actress Yui Makino, who co-starred with her in the Tsubasa and xxxHolic franchises. She also worked closely with Ami Koshimizu on the Mai Otome series, and the two performed theme songs together for the show's net radio program. In addition to her voice work, Kikuchi continued her live-action acting, reprising her role as DekaPink in several Super Sentai film crossovers over the years. She has also been active on stage, with notable performances including the role of Cosette in the Japanese tour of the musical Les Misérables from 2007 to 2009.

Kikuchi has also ventured into music, releasing a solo CD single titled My Star in 2006. Her discography also includes character songs and theme songs related to the anime series in which she has appeared. She is affiliated with the talent agency BLACK SHIP.