List of Gaon Digital Chart number ones of 2013

The Gaon Digital Chart of Gaon Music Chart is a chart that ranks the best-performing songs in South Korea. The data is collected by the Korea Music Content Association. It consists of a weekly chart, listed from Sunday to Saturday, a monthly chart, and a yearly chart. Below is a list of songs that topped the weekly, monthly, and yearly charts. The Digital Chart ranks songs according to their performance on the Gaon Download, Streaming and BGM charts.