An adaptive digital predistortion (DPD) technique is proposed to eliminate the nonlinear distortion in visible light communication systems based on orthogonal frequency division multiplexing (OFDM). In particular, the nonlinear distortion in the LED channel is eliminated by using the proposed adaptive DPD technique with two feedback signals, whereas the linear distortion in the LED channel is eliminated by preequalization in the frequency domain. The proposed scheme can effectively improve the performance of visible light communication systems. In particular, the experimental results denote that the proposed adaptive DPD scheme can effectively eliminate the out-of-band and in-band noise of OFDM.