"Let the Beat Hit 'Em" is a 1991 song by American urban contemporary band Lisa Lisa and Cult Jam, released as the first single from their fourth and final studio album, Straight Outta Hell's Kitchen. It spent one week at number-one on the US R&B chart in the week of September 14, 1991, and also reached No. 37 on the Billboard Hot 100. On the US dance charts, it was the third and final number-one for the group. It also peaked at number-one on the Canadian RPM dance chart.