List of Gaon Digital Chart number ones of 2016
The Gaon Digital Chart, part 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 weekly, monthly and yearly charts. Below is a list of songs that topped the weekly and monthly charts. The Digital Chart ranks songs according to their performance on the Gaon Download, Streaming, and BGM charts.
Weekly charts
| Indicates best-performing single of 2016 |
Monthly charts
| Month | Song | Artist | Ref |
| January | "Dream" | Suzy and Baekhyun | |
| February | "Rough" | GFriend | |
| March | "This Love" | Davichi | |
| April | "What the spring??" | 10cm | |
| May | "Cheer Up" | Twice | |
| June | "I Don't Love You" | Urban Zakapa | |
| July | "Why So Lonely" | Wonder Girls | |
| August | "Whistle" | Black Pink | |
| September | "The Love I Committed" | Im Chang-jung | |
| October | "Three Words" | Sechs Kies | |
| November | "TT" | Twice | |
| December | "Fxxk It" | Big Bang |