Deze hits stonden in 2016 op nummer 1 in de Ierse Single Top 100, de bekendste hitlijst in Ierland.
| Datum | Artiest | Titel |
| 7 januari | Justin Bieber | Love Yourself |
| 14 januari | Justin Bieber | Love Yourself |
| 21 januari | Justin Bieber | Love Yourself |
| 28 januari | Justin Bieber | Love Yourself |
| 4 februari | Zayn | Pillowtalk |
| 11 februari | Zayn | Pillowtalk |
| 18 februari | Lukas Graham | 7 Years |
| 25 februari | Lukas Graham | 7 Years |
| 3 maart | Lukas Graham | 7 Years |
| 10 maart | Lukas Graham | 7 Years |
| 17 maart | Lukas Graham | 7 Years |
| 24 maart | Mike Posner | I Took a Pill in Ibiza (SeeB remix) |
| 31 maart | Sia & Sean Paul | Cheap Thrills |
| 7 april | Sia & Sean Paul | Cheap Thrills |
| 14 april | Sia & Sean Paul | Cheap Thrills |
| 21 april | Sia & Sean Paul | Cheap Thrills |
| 28 april | Sia & Sean Paul | Cheap Thrills |
| 5 mei | Drake, Wizkid & Kyla | One Dance |
| 12 mei | Calvin Harris & Rihanna | This Is What You Came For |
| 19 mei | Drake, Wizkid & Kyla | One Dance |
| 26 mei | Drake, Wizkid & Kyla | One Dance |
| 2 juni | Drake, Wizkid & Kyla | One Dance |
| 9 juni | Drake, Wizkid & Kyla | One Dance |
| 16 juni | Drake, Wizkid & Kyla | One Dance |
| 23 juni | Drake, Wizkid & Kyla | One Dance |
| 30 juni | Drake, Wizkid & Kyla | One Dance |
| 7 juli | Drake, Wizkid & Kyla | One Dance |
| 14 juli | Drake, Wizkid & Kyla | One Dance |
| 21 juli | Drake, Wizkid & Kyla | One Dance |
| 28 juli | Major Lazer, Justin Bieber & MØ | Cold Water |
| 4 augustus | Major Lazer, Justin Bieber & MØ | Cold Water |
| 11 augustus | Major Lazer, Justin Bieber & MØ | Cold Water |
| 18 augustus | Major Lazer, Justin Bieber & MØ | Cold Water |
| 25 augustus | Major Lazer, Justin Bieber & MØ | Cold Water |
| 1 september | The Chainsmokers & Halsey | Closer |
| 8 september | The Chainsmokers & Halsey | Closer |
| 15 september | The Chainsmokers & Halsey | Closer |
| 22 september | The Chainsmokers & Halsey | Closer |
| 29 september | The Chainsmokers & Halsey | Closer |
| 6 oktober | The Chainsmokers & Halsey | Closer |
| 13 oktober | James Arthur | Say You Won't Let Go |
| 20 oktober | James Arthur | Say You Won't Let Go |
| 27 oktober | Little Mix | Shout Out to My Ex |
| 3 november | James Arthur | Say You Won't Let Go |
| 10 november | James Arthur | Say You Won't Let Go |
| 17 november | Clean Bandit, Sean Paul & Anne-Marie | Rockabye |
| 24 november | Clean Bandit, Sean Paul & Anne-Marie | Rockabye |
| 1 december | Clean Bandit, Sean Paul & Anne-Marie | Rockabye |
| 8 december | Clean Bandit, Sean Paul & Anne-Marie | Rockabye |
| 15 december | Clean Bandit, Sean Paul & Anne-Marie | Rockabye |
| 22 december | Clean Bandit, Sean Paul & Anne-Marie | Rockabye |
| 29 december | Clean Bandit, Sean Paul & Anne-Marie | Rockabye |
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Nummer 1-hits in 2016 in: