title: List of Ultratop 50 number-one singles of 2017
text: # List of Ultratop 50 number-one singles of 2017
  
  These hits topped the Ultratop 50 in 2017.
  
  Flanders :
  
  | Issue date | Song | Artist |
  | - | - | - |
  | 7 January | "24K Magic" | Bruno Mars |
  | 14 January | "Hey Baby" | Dimitri Vegas & Like Mike vs. Diplo featuring Deb's Daughter |
  | 21 January | "Shape of You" | Ed Sheeran |
  | 28 January | "Shape of You" | Ed Sheeran |
  | 4 February | "Shape of You" | Ed Sheeran |
  | 11 February | "Shape of You" | Ed Sheeran |
  | 18 February | "Shape of You" | Ed Sheeran |
  | 25 February | "Shape of You" | Ed Sheeran |
  | 4 March | "Shape of You" | Ed Sheeran |
  | 11 March | "Shape of You" | Ed Sheeran |
  | 18 March | "Shape of You" | Ed Sheeran |
  | 25 March | "Shape of You" | Ed Sheeran |
  | 1 April | "Shape of You" | Ed Sheeran |
  | 8 April | "Shape of You" | Ed Sheeran |
  | 15 April | "Shape of You" | Ed Sheeran |
  | 22 April | "Shape of You" | Ed Sheeran |
  | 29 April | "Something Just Like This" | The Chainsmokers featuring Coldplay |
  | 6 May | "Shape of You" | Ed Sheeran |
  | 13 May | "Something Just Like This" | The Chainsmokers featuring Coldplay |
  | 20 May | "City Lights" | Blanche |
  | 27 May | "City Lights" | Blanche |
  | 3 June | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 10 June | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 17 June | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 24 June | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 1 July | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 8 July | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 15 July | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 22 July | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 29 July | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 5 August | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 12 August | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 19 August | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 26 August | "Where Did You Go (Summer Love)" | Regi |
  | 2 September | "Where Did You Go (Summer Love)" | Regi |
  | 9 September | "Where Did You Go (Summer Love)" | Regi |
  | 16 September | "Where Did You Go (Summer Love)" | Regi |
  | 23 September | "New Rules" | Dua Lipa |
  | 30 September | "New Rules" | Dua Lipa |
  | 7 October | "Perfect" | Ed Sheeran |
  | 14 October | "New Rules" | Dua Lipa |
  | 21 October | "New Rules" | Dua Lipa |
  | 28 October | "New Rules" | Dua Lipa |
  | 4 November | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 11 November | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 18 November | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 25 November | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 2 December | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 9 December | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 16 December | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 23 December | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 30 December | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  
  Wallonia :
  
  | Issue date | Song | Artist |
  | - | - | - |
  | 7 January | "Human" | Rag'n'Bone Man |
  | 14 January | "Rockabye" | Clean Bandit featuring Sean Paul and Anne-Marie |
  | 21 January | "Rockabye" | Clean Bandit featuring Sean Paul and Anne-Marie |
  | 28 January | "Rockabye" | Clean Bandit featuring Sean Paul and Anne-Marie |
  | 4 February | "Shape of You" | Ed Sheeran |
  | 11 February | "Shape of You" | Ed Sheeran |
  | 18 February | "Shape of You" | Ed Sheeran |
  | 25 February | "Shape of You" | Ed Sheeran |
  | 4 March | "Shape of You" | Ed Sheeran |
  | 11 March | "Shape of You" | Ed Sheeran |
  | 18 March | "Shape of You" | Ed Sheeran |
  | 25 March | "Shape of You" | Ed Sheeran |
  | 1 April | "Shape of You" | Ed Sheeran |
  | 8 April | "Shape of You" | Ed Sheeran |
  | 15 April | "Shape of You" | Ed Sheeran |
  | 22 April | "Shape of You" | Ed Sheeran |
  | 29 April | "Shape of You" | Ed Sheeran |
  | 6 May | "Shape of You" | Ed Sheeran |
  | 13 May | "Shape of You" | Ed Sheeran |
  | 20 May | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 27 May | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 3 June | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 10 June | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 17 June | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 24 June | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 1 July | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 8 July | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 15 July | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 22 July | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 29 July | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 5 August | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 12 August | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 19 August | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 26 August | "Despacito" | Luis Fonsi featuring Daddy Yankee |
  | 2 September | "Feels" | Calvin Harris featuring Pharrell Williams, Katy Perry and Big Sean |
  | 9 September | "Feels" | Calvin Harris featuring Pharrell Williams, Katy Perry and Big Sean |
  | 16 September | "Feels" | Calvin Harris featuring Pharrell Williams, Katy Perry and Big Sean |
  | 23 September | "Feels" | Calvin Harris featuring Pharrell Williams, Katy Perry and Big Sean |
  | 30 September | "Feels" | Calvin Harris featuring Pharrell Williams, Katy Perry and Big Sean |
  | 7 October | "Réseaux" | Niska |
  | 14 October | "Réseaux" | Niska |
  | 21 October | "Réseaux" | Niska |
  | 28 October | "Mwaka Moon" | Kalash featuring Damso |
  | 4 November | "Mwaka Moon" | Kalash featuring Damso |
  | 11 November | "Mwaka Moon" | Kalash featuring Damso |
  | 18 November | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 25 November | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 2 December | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 9 December | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 16 December | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 23 December | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  | 30 December | "Perfect" (including "Perfect Duet" and "Perfect Symphony") | Ed Sheeran (with Beyoncé / with Andrea Bocelli) |
  
  Flanders Ranking of most weeks at number 1 :
  
  | Position | Artist | Weeks #1 |
  | - | - | - |
  
  Wallonia Ranking of most weeks at number 1 :
  
  | Position | Artist | Weeks #1 |
  | - | - | - |
  