| Wallonia | | Issue date | Song | Artist |
|---|
| 6 January | "Perfect"
(including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran
(with Beyoncé / with Andrea Bocelli) |
| 13 January |
| 20 January |
| 27 January |
| 3 February |
| 10 February |
| 17 February | "Hit Sale" | Therapie Taxi featuring Roméo Elvis |
| 24 February |
| 3 March |
| 10 March | "Crazy" | Lost Frequencies and Zonderling |
| 17 March | "Hit Sale" | Therapie Taxi featuring Roméo Elvis |
| 24 March |
| 31 March | "Crazy" | Lost Frequencies and Zonderling |
| 7 April | "La même" | Maître Gims featuring Vianney |
| 14 April |
| 21 April |
| 28 April |
| 5 May |
| 12 May |
| 19 May |
| 26 May |
| 2 June |
| 9 June |
| 16 June |
| 23 June | "Smog" | Damso |
| 30 June | "One Kiss" | Calvin Harris and Dua Lipa |
| 7 July |
| 14 July |
| 21 July |
| 28 July |
| 4 August |
| 11 August |
| 18 August |
| 25 August |
| 1 September | "Solo" | Clean Bandit featuring Demi Lovato |
| 8 September |
| 15 September |
| 22 September |
| 29 September | "In My Mind" | Dynoro and Gigi D'Agostino |
| 6 October |
| 13 October |
| 20 October |
| 27 October |
| 3 November |
| 10 November |
| 17 November |
| 24 November | "Rêves bizarres" | Orelsan featuring Damso |
| 1 December | "In My Mind" | Dynoro and Gigi D'Agostino |
| 8 December |
| 15 December |
| 22 December | "Tout oublier" | Angèle featuring Roméo Elvis |
| 29 December |
{{col-end}}{{col-begin}}{{col-2}}1. ^The year's Archives on "Ultratop.be"
{{Ultratop 50}}