This is a list of the Spanish Singles number-ones of 1977.[1]
| Issue Date | Song | Artist | |
|---|---|---|---|
| 3 January | "Libertad Sin Ira" | ||
| 10 January | "Sandokan" | ||
| 17 January | |||
| 24 January | |||
| 31 January | "Don't Go Breaking My Heart" | ||
| 7 February | |||
| 14 February | "The Best Disco in Town" | Ritchie Family | |
| 21 February | "Daddy Cool" | ||
| 28 February | |||
| 7 March | |||
| 14 March | |||
| 21 March | |||
| 28 March | |||
| 4 April | |||
| 11 April | "If You Leave Me Now" | ||
| 18 April | |||
| 25 April | "Gavilán o Paloma" | ||
| 2 May | |||
| 9 May | |||
| 16 May | |||
| 23 May | |||
| 30 May | |||
| 6 June | |||
| 13 June | "Linda" | ||
| 20 June | |||
| 27 June | |||
| 4 July | |||
| 11 July | |||
| 18 July | |||
| 25 July | "Fiesta" | ||
| 1 August | |||
| 8 August | "Linda" | ||
| 15 August | "Speak Up Mambo(Cuéntame)" | ||
| 22 August | |||
| 29 August | |||
| 5 September | |||
| 12 September | |||
| 19 September | "Son Tus Perjúmenes, Mujer" | ||
| 26 September | |||
| 3 October | "Rockollection" | ||
| 10 October | "Son Tus Perjúmenes, Mujer" | Carlos Mejía Godoy y los de Palacagüina | |
| 17 October | "Rockollection" | Laurent Voulzy | |
| 24 October | |||
| 31 October | |||
| 7 November | |||
| 14 November | |||
| 21 November | |||
| 28 November | |||
| 5 December | |||
| 12 December | "Oxygène (Part 4)" | ||
| 19 December | "Ma Baker" | ||
| 26 December | "Oxygène (Part 4)" | Jean Michel Jarre |