This is a list of the Spanish Singles number-ones of 1966.[1]
| Issue Date | Song | Artist | |
|---|---|---|---|
| 3 January | "El Mundo" | ||
| 10 January | |||
| 17 January | |||
| 24 January | "La Canción Del Tamborilero" (The Little Drummer Boy) | ||
| 31 January | |||
| 7 February | "Capri c'est fini" | ||
| 14 February | |||
| 21 February | "Yesterday" | ||
| 28 February | "Capri c'est fini" | Hervé Vilard | |
| 7 March | "Aline" | ||
| 14 March | "(I Can't Get No) Satisfaction" | ||
| 21 March | "Yo soy aquél" | Raphael | |
| 28 March | |||
| 4 April | |||
| 11 April | |||
| 18 April | |||
| 25 April | "Mejor" | ||
| 2 May | "Yo soy aquél" | Raphael | |
| 9 May | |||
| 16 May | |||
| 23 May | |||
| 30 May | |||
| 6 June | "Michelle" | ||
| 13 June | "Ninguno Me Puede Juzgar" (Nessuno Mi Puo Giudicare) | ||
| 20 June | |||
| 27 June | "These Boots Are Made For Walkin'" | ||
| 4 July | "Juanita Banana" | ||
| 11 July | |||
| 18 July | |||
| 25 July | |||
| 1 August | |||
| 8 August | |||
| 15 August | |||
| 22 August | |||
| 29 August | "Un Sorbito De Champán" | Los Brincos | |
| 5 September | |||
| 12 September | "Juanita Banana" | Luis Aguilé | |
| 19 September | |||
| 26 October | |||
| 3 October | "Strangers In The Night" | ||
| 10 October | "La Banda Borracha" | Luis Aguilé | |
| 17 October | "Strangers In The Night" | Frank Sinatra | |
| 24 October | |||
| 31 October | |||
| 7 November | "Black Is Black" | Los Bravos | |
| 14 November | |||
| 21 November | |||
| 28 November | |||
| 5 December | |||
| 12 December | |||
| 19 December | |||
| 26 December |