This lists the singles that reached number one on the Spanish PROMUSICAE sales and airplay charts in 2020. Total sales correspond to the data sent by regular contributors to sales volumes and by digital distributors.
| Week | Issue date | Top Streaming, Downloads & Physical Sales | Most Airplay | ||||
|---|---|---|---|---|---|---|---|
| Artist(s) | Song | Ref. | Artist(s) | Song | Ref. | ||
| 1 | January 2 | Karol G and Nicki Minaj | "Tusa" | [1] | Maroon 5 | "Memories" | [2] |
| 2 | January 9 | [3] | Beret | "Si por mí fuera" | [4] | ||
| 3 | January 16 | [5] | Maroon 5 | "Memories" | [6] | ||
| 4 | January 23 | [7] | [8] | ||||
| 5 | January 30 | [9] | Pablo Alborán and Ava Max | "Tabú" | [10] | ||
| 6 | February 6 | [11] | [12] | ||||
| 7 | February 13 | [13] | [14] | ||||
| 8 | February 20 | [15] | Maroon 5 | "Memories" | [16] | ||
| 9 | February 27 | [17] | [18] | ||||
| 10 | March 5 | [19] | David Otero and Taburete | "Una foto en blanco y negro" | [20] | ||
| 11 | March 12 | [21] | [22] | ||||
| 12 | March 19 | [23] | [24] | ||||
| 13 | March 26 | J Balvin | "Amarillo" | [25] | [26] | ||
| 14 | April 2 | Bad Bunny featuring Jowell & Randy and Ñengo Flow | "Safaera" | [27] | Nil Moliner featuring Dani Fernández | "Soldadito de hierro" | [28] |
| 15 | April 9 | [29] | Karol G and Nicki Minaj | "Tusa" | [30] | ||
| 16 | April 16 | [31] | [32] | ||||
| 17 | April 23 | [33] | [34] | ||||
| 18 | April 30 | C. Tangana | "Nunca Estoy" | [35] | Tones and I | "Dance Monkey" | [36] |
| 19 | May 7 | [37] | Nil Moliner featuring Dani Fernández | "Soldadito de hierro" | [38] | ||
| 20 | May 14 | Bad Bunny and Don Omar | "Pa' Romperla" | [39] | Nea | "Some Say" | [40] |
| 21 | May 21 | [41] | The Weeknd | "Blinding Lights" | [42] | ||
| 22 | May 28 | Justin Quiles, Daddy Yankee and El Alfa | "Pam" | [43] | [44] | ||
| 23 | June 4 | Rosalía and Travis Scott | "TKN" | [45] | Nea | "Some Say" | [46] |
| 24 | June 11 | Anuel AA and Bad Bunny | "Hasta Que Dios Diga" | [47] | The Weeknd | "Blinding Lights" | [48] |
| 25 | June 18 | Nio Garcia, Anuel AA, Myke Towers, Juanka and Brray | "La jeepeta (Remix)" | [49] | [50] | ||
| 26 | June 25 | Anuel AA | "El manual" | [51] | [52] | ||
| 27 | July 2 | Ozuna | "Caramelo" | [53] | [54] | ||
| 28 | July 9 | [55] | [56] | ||||
| 29 | July 16 | [57] | David Bisbal and Aitana | "Si tú la quieres" | [58] | ||
| 30 | July 23 | [59] | [60] | ||||
| 31 | July 30 | Tainy and J Balvin | "Agua" | [61] | Beret and Pablo Alborán | "Sueño" | [62] |
| 32 | August 6 | Trueno, Nicki Nicole, Bizarrap, Taiu and Tatool | "Mamichula" | [63] | [64] | ||
| 33 | August 13 | [65] | [66] | ||||
| 34 | August 20 | [67] | [68] | ||||
| 35 | August 27 | Maluma | "Hawái" | [69] | The Weeknd | "Blinding Lights" | [70] |
| 36 | September 3 | [71] | Ava Max | "Kings & Queens" | [72] | ||
| 37 | September 10 | [73] | Beret and Pablo Alborán | "Sueño" | [74] | ||
| 38 | September 17 | [75] | The Weeknd | "Blinding Lights" | [76] | ||
| 39 | September 24 | [77] | [78] | ||||
| 40 | October 1 | [79] | Ava Max | "Kings & Queens" | [80] | ||
| 41 | October 8 | [81] | [82] | ||||
| 42 | October 15 | [83] | [84] | ||||
| 43 | October 22 | C. Tangana | "Demasiadas mujeres" | [85] | Dani Martín featuring Juanes | "Los huesos" | [86] |
| 44 | October 29 | Manuel Turizo, Rauw Alejandro and Myke Towers | "La Nota" | [87] | Sidecars | "Mundo imperfecto" | [88] |
| 45 | November 5 | Bad Bunny and Jhay Cortez | "Dakiti" | [89] | Ava Max | "Kings & Queens" | [90] |
| 46 | November 12 | C. Tangana featuring Niño de Elche and La Húngara | "Tú Me Dejaste De Querer" | [91] | David Guetta and Sia | "Let's Love" | [92] |
| 47 | November 19 | [93] | Nil Moliner | "Mi Religión" | [94] | ||
| 48 | November 26 | Bad Bunny and Jhay Cortez | "Dakiti" | [95] | Ava Max | "Kings & Queens" | [96] |
| 49 | December 2 | Bad Bunny featuring Rosalía | "La Noche de Anoche" | [97] | Sidecars | "Mundo Imperfecto" | [98] |
| 50 | December 9 | Bad Bunny and Jhay Cortez | "Dakiti" | [99] | Ava Max | "Kings & Queens" | [100] |
| 51 | December 16 | [101] | BTS | "Dynamite" | [102] | ||
| 52 | December 23 | [103] | [104] | ||||
| 53 | December 30 | [105] | [106] | ||||