This is a list of the Spanish PROMUSICAE Top 20 Singles number-ones of 1989.[1]
| Issue Date | Song | Artist |
|---|---|---|
| 2 January | "Nothing's Gonna Change My Love for You" | Glenn Medeiros |
| 9 January | Michael Jackson | |
| 16 January | ||
| 23 January | ||
| 30 January | ||
| 6 February | ||
| 13 February | "Kiss" | Tom Jones |
| 20 February | "Real Gone Kid" | Deacon Blue |
| 27 February | ||
| 6 March | ||
| 13 March | "Like a Prayer" | Madonna |
| 20 March | ||
| 27 March | ||
| 3 April | ||
| 10 April | ||
| 17 April | ||
| 24 April | ||
| 1 May | ||
| 8 May | ||
| 15 May | "She Drives Me Crazy" | |
| 22 May | "Ibiza" | Amnesia |
| 29 May | ||
| 5 June | "Mas y mas" | La Unión |
| 12 June | "Ibiza" | Amnesia |
| 19 June | ||
| 26 June | "The Look" | Roxette |
| 3 July | ||
| 10 July | ||
| 17 July | ||
| 24 July | ||
| 31 July | ||
| 7 August | ||
| 14 August | ||
| 21 August | "Lambada" | Kaoma |
| 28 August | ||
| 4 September | ||
| 11 September | ||
| 18 September | ||
| 25 September | ||
| 2 October | ||
| 9 October | ||
| 16 October | ||
| 23 October | ||
| 30 October | ||
| 6 November | ||
| 13 November | ||
| 20 November | "Swing the Mood" | Jive Bunny and the Mastermixers |
| 27 November | ||
| 4 December | "That's What I Like" | |
| 11 December | "Pump Up the Jam" | Technotronic |
| 18 December | ||
| 25 December |