4,5,6 is the debut solo studio album by American rapper Kool G Rap. It was released on September 26, 1995, via Cold Chillin' Records. The album's title signifies the winning combination at the urban street game of cee-lo.

The recording sessions took place at Bearsville Studios. The album was produced by Dr. Butcher, Buckwild, Naughty Shorts, and T-Ray. It features guest appearances from B-1, MF Grimm, Nas, and Shawn Brown.

The album peaked at number 24 on the Billboard 200 and atop the Top R&B/Hip-Hop Albums charts. It was supported with singles "It's a Shame" and "Fast Life". The latter made it to number 74 on the Billboard Hot 100.