This is a list of the Spanish PROMUSICAE Top 20 Singles number-ones of 1990. [1]
| Issue Date | Song | Artist |
|---|---|---|
| 6 January | "That's What I Like" | Jive Bunny and the Mastermixers |
| 13 January | ||
| 20 January | "Pump Up the Jam" | Technotronic |
| 27 January | ||
| 3 February | "All Around the World" | Lisa Stansfield |
| 10 February | "Pump Up the Jam" | Technotronic |
| 17 February | "All Around the World" | Lisa Stansfield |
| 24 February | "Pump Up the Jam" | Technotronic |
| 3 March | ||
| 10 March | ||
| 17 March | "Get Up! (Before the Night Is Over)" | |
| 24 March | "Enjoy the Silence" | Depeche Mode |
| 31 March | ||
| 7 April | ||
| 14 April | ||
| 21 April | ||
| 28 April | "Vogue" | Madonna |
| 5 May | ||
| 12 May | ||
| 19 May | ||
| 26 May | ||
| 2 June | ||
| 9 June | "Infinity" | Guru Josh |
| 16 June | "The Power" | Snap! |
| 23 June | "Infinity" | Guru Josh |
| 30 June | ||
| 7 July | "La Abuela" | Wilfred y la Ganga |
| 14 July | ||
| 21 July | "Infinity" | Guru Josh |
| 28 July | ||
| 4 August | ||
| 11 August | ||
| 18 August | ||
| 25 August | ||
| 1 September | ||
| 8 September | "It's On You" | MC Sar & the Real McCoy |
| 15 September | "I Can't Stand It" | Twenty 4 Seven |
| 22 September | "It's On You" | MC Sar & the Real McCoy |
| 29 September | "I Can't Stand It" | Twenty 4 Seven |
| 6 October | ||
| 13 October | ||
| 20 October | ||
| 27 October | ||
| 3 November | "Cult of Snap" | Snap! |
| 10 November | ||
| 17 November | ||
| 24 November | ||
| 1 December | "Ultimo Imperio" | Atawalpa |
| 8 December | "I've Been Thinking About You" | Londonbeat |
| 15 December | ||
| 22 December | ||
| 29 December |