This is a list of the singles that topped the Ultratop 50 in the Flanders region of Belgium in 1977.
| Issue date | Song | Artist |
|---|---|---|
| 1 January | "Money Money Money" | ABBA |
| 8 January | "Upside Down" | Teach-In |
| 15 January | "Rock and Roll Star" | Champagne |
| 22 January | "Under the Moon of Love" | Showaddywaddy |
| 29 January | ||
| 5 February | "Sunny" | Boney M. |
| 12 February | ||
| 19 February | "Living Next Door to Alice" | Smokie |
| 26 February | ||
| 5 March | ||
| 12 March | ||
| 19 March | "Don't Cry for Me Argentina" | Julie Covington |
| 26 March | ||
| 2 April | ||
| 9 April | ||
| 16 April | ||
| 23 April | "Go Your Own Way" | Fleetwood Mac |
| 30 April | ||
| 7 May | "Lay Back in the Arms of Someone" | Smokie |
| 14 May | "Non-Stop Dance" | The Gibson Brothers |
| 21 May | ||
| 28 May | ||
| 4 June | "You're My World" | Guys 'n' Dolls |
| 11 June | ||
| 18 June | "Ma Baker" | Boney M. |
| 25 June | ||
| 2 July | ||
| 9 July | ||
| 16 July | ||
| 23 July | ||
| 30 July | "Yes Sir I Can Boogie" | Baccara |
| 6 August | ||
| 13 August | ||
| 20 August | ||
| 27 August | ||
| 3 September | "I Feel Love" | Donna Summer |
| 10 September | ||
| 17 September | "Sorry, I'm a Lady" | Baccara |
| 24 September | "I Remember Elvis Presley" | Danny Mirror |
| 1 October | ||
| 8 October | ||
| 15 October | ||
| 22 October | "Do You Remember" | Long Tall Ernie and the Shakers |
| 29 October | ||
| 5 November | ||
| 12 November | ||
| 19 November | "Belfast" | Boney M. |
| 26 November | "'t Smurfenlied" | Father Abraham |
| 3 December | ||
| 10 December | ||
| 17 December | ||
| 24 December | ||
| 31 December | "A far l'amore comincia tu" | Raffaella Carra |
| Pos. | Title | Artist | Peak |
|---|---|---|---|
| 1 | "Ma Baker" | Boney M | 1 |
| 2 | "Do You Remember" | Long Tall Ernie and the Shakers | 1 |
| 3 | "A Million in 1,2,3" | Dream Express | 2 |
| 4 | "You're My World" | Guys 'n' Dolls | 1 |
| 5 | "Sunny" | Boney M. | 1 |
| 6 | "I Feel Love" | Donna Summer | 1 |
| 7 | "Belfast" | Boney M. | 1 |
| 8 | "I Remember Elvis Presley" | Danny Mirror | 1 |
| 9 | "Don't Let Me Be Misunderstood" | Santa Esmeralda | 2 |
| 10 | "Yes Sir I Can Boogie" | Baccara | 1 |