Ramon Ibanga, Jr. (born August 28, 1980), known professionally as Illmind (often stylized as !llmind), is an American record producer, songwriter, and educator. As of 2012, he lives in Brooklyn, New York.

Illmind has co-written and produced hip hop, trap, pop, soul, and electronic music for labels such as Cash Money, Def Jam, and Aftermath, and has worked with artists such as Nicki Minaj, Andy Mineo, Kanye West, Drake, J. Cole, Dr. Dre, Ludacris, 50 Cent, Ariana Grande, and others. His accomplishments in 2016 include production on the new Hamilton Mixtape and Disney's Moana, both created by Lin-Manuel Miranda. Illmind has released several studio albums and had a number of songs and albums reach the music charts.

His most recent album, Human, is a collaboration with Joell Ortiz, and was released on July 17, 2015. He established his own multi-genre music company Roseville Music Group in 2014.