Rie Kugimiya is a Japanese singer and voice actress affiliated with I'm Enterprise. Among Kugimiya's most famous roles are Alphonse Elric in the Fullmetal Alchemist series, Kagura in Gintama, and Happy in Fairy Tail. Thanks to voicing lead characters such as Shana in Shakugan no Shana, Louise in The Familiar of Zero, Nagi Sanzenin in Hayate the Combat Butler, Taiga Aisaka in Toradora!, and Aria Holmes Kanzaki in Aria the Scarlet Ammo, some fans have dubbed her the "Queen of Tsundere."

In the Tamagotchi fandom, she is known for her role as Mametchi in the Tamagotchi films and anime. She has also voiced various products, such as Mugen Puchipuchi Moe, a virtual keychain game about popping bubble wrap.

She was nominated for Best Actress in a Leading Role at the first Seiyu Awards for her role as Louise in The Familiar of Zero and for Best Actress in a Supporting Role for her role as Kagura in Gintama, and together with Mitsuki Saiga won the Best Actress in a Supporting Role award at the second Seiyu Awards. Kugimiya won the Best Actress award at the third Seiyu Awards for her roles as Taiga Aisaka in Toradora! and her work in Nabari no Ou.