This is a list of the Spanish Singles number-ones of 1973.[1]
| Issue Date | Song | Artist |
|---|---|---|
| 1 January | "Speak Softly Love" | |
| 8 January | ||
| 15 January | ||
| 22 January | ||
| 29 January | ||
| 5 February | ||
| 12 February | "Sugar Me" | |
| 19 February | "Amor... Amar" | |
| 26 February | ||
| 5 March | ||
| 12 March | ||
| 19 March | ||
| 26 March | ||
| 2 April | "Un Gato en la Oscuridad" | Roberto Carlos |
| 9 April | "Hi, Hi, Hi" | Paul McCartney |
| 16 April | "It Never Rains in Southern California" | |
| 23 April | ||
| 30 April | ||
| 7 May | "Eres Tú" | |
| 14 May | ||
| 21 May | "Charly" | |
| 28 May | "Velvet Mornings" | Demis Roussos |
| 4 June | ||
| 11 June | "Charly" | Santabárbara |
| 18 June | "Eres Tú" | Mocedades |
| 25 June | ||
| 2 July | "América, América" | |
| 9 July | "Eva María" | |
| 16 July | "América, América" | Nino Bravo |
| 23 July | ||
| 30 July | ||
| 6 August | "Eva María" | Fórmula V |
| 13 August | ||
| 20 August | ||
| 27 August | ||
| 3 August | ||
| 10 September | ||
| 17 September | "Y Viva España" | |
| 24 September | ||
| 1 October | "Eva María" | Fórmula V |
| 8 October | ||
| 15 October | ||
| 22 October | "Can The Can" | |
| 29 October | ||
| 5 November | "Goodbye My Love, Goodbye" | Demis Roussos |
| 12 November | "Soledad" | Emilio José |
| 19 November | "Can The Can" | |
| 26 November | "Algo Más" | Camilo Sesto |
| 3 December | ||
| 10 December | ||
| 17 December | ||
| 24 December | ||
| 31 December |