These hits topped the Ultratop 50 in 2020.[1]
| Flanders |
|---|
| Issue date | Song | Artist |
| 4 January | "Dance Monkey" | Tones and I |
| 11 January |
| 18 January |
| 25 January | "Blinding Lights" | The Weeknd |
| 1 February |
| 8 February |
| 15 February |
| 22 February |
| 29 February |
| 7 March |
| 14 March |
| 21 March |
| 28 March |
| 4 April |
| 11 April |
| 18 April |
| 25 April |
| 2 May | "Kom wat dichterbij" | Regi featuring Jake Reese and OT |
| 9 May |
| 16 May | "Blinding Lights" | The Weeknd |
| 23 May | "Kom wat dichterbij" | Regi Penxten featuring Jake Reese and OT |
| 30 May | "Blinding Lights" | The Weeknd |
| 6 June |
| 13 June | "Kom wat dichterbij" | Regi Penxten featuring Jake Reese and OT |
| 20 June |
| 27 June |
| 4 July |
| 11 July |
| 18 July |
| 25 July | "Savage Love (Laxed – Siren Beat)" | Jawsh 685 and Jason Derulo |
| 1 August |
| 8 August |
| 15 August |
| 22 August | "Jerusalema (Remix)" | Master KG featuring Burna Boy and Nomcebo Zikode |
| 29 August |
| 5 September |
| 12 September |
| 19 September |
| 26 September |
| 3 October |
| 10 October |
| 17 October |
| 24 October |
| 31 October | "Head & Heart" | Joel Corry featuring MNEK |
| 7 November |
| 14 November | "Fever" | Dua Lipa and Angèle |
| 21 November |
| 28 November | "Head & Heart" | Joel Corry featuring MNEK |
| 5 December | "Fever" | Dua Lipa and Angèle |
| 12 December |
| 19 December |
| 26 December |
|
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