Ren Klyce is a Japanese-American sound designer and sound mixer.

He is best known for his frequent collaborations with director David Fincher,[3][4] having been the primary sound designer on every one of his films since Seven, including The Girl with the Dragon Tattoo.

He is also known for his frequent collaborations with Spike Jonze and films by Pixar Animation Studios.

Klyce was born in Kyoto, Japan, and moved to California at a young age, where he grew up in Mill Valley.

He graduated from the University of California, Santa Cruz.