Nicolle Gonsior is a German voice actress, dialogue writer, and dubbing director known for her work on anime series. Born on March 10, 1992 in Wickede-Wimbern, Germany, she began her performance career on stage before expanding into voice acting. From 2008 to 2014, she took acting lessons and received further training in theater, music, and voice work. She is a state-certified breath, speech, and voice coach and qualified as a communication and voice coach in 2018.

Gonsior has been active as a voice actress since 2019 and began working as a dubbing director in 2022. She is fluent in both German and Polish.

Among her most recognized anime voice roles are Yamato in One Piece, Sakura in the Urusei Yatsura reboot, and Kyouka Uzen in Demon Slave: The Chained Soldier. Her other voice credits include Nene in Beelzebub, Niko Mikadono in Dealing with the Mikadono Sisters, and Sibylla in Spy Classroom. In addition to voicing the character Sibylla, she also worked on Spy Classroom as a dialogue writer and dubbing director.

Her voice matches for dubbing include performances for numerous original actresses such as Mikako Komatsu, Akeno Watanabe, Akari Kitou, Saori Hayami, Asami Seto, Miyuki Sawashiro, and Mamiko Noto, among others.