The Billboard Regional Mexican Songs chart ranks the best-performing Regional Mexican singles in the United States. Published weekly by Billboard magazine, it ranks the "most popular regional Mexican songs, ranked by radio airplay audience impressions as measured by Nielsen Music."[1]
| Indicates best-performing song of 2020[2] |
| Issue date | Song | Artist(s) | Ref. | |
|---|---|---|---|---|
| January 4 | bgcolor=FFFFBB | "Escondidos" | La Adictiva Banda San Jose de Mesillas | [3] |
| January 11 | "Caballero" | Alejandro Fernández | [4] | |
| January 18 | bgcolor=FFFFBB | "Escondidos" | La Adictiva Banda San Jose de Mesillas | [5] |
| January 25 | "Esa Vez Soy Yo" | Banda Carnaval | [6] | |
| February 1 | [7] | |||
| February 8 | [8] | |||
| February 15 | "No Elegi Conocerte" | Banda Sinaloense MS de Sergio Lizarraga | [9] | |
| February 22 | "Esa Vez Soy Yo" | Banda Carnaval | [10] | |
| February 29 | "Solo Tu" | Calibre 50 | [11] | |
| March 7 | [12] | |||
| March 14 | [13] | |||
| March 21 | [14] | |||
| March 28 | [15] | |||
| April 4 | "Dormida" | Edwin Luna y La Trakalosa de Monterrey | [16] | |
| April 11 | [17] | |||
| April 18 | [18] | |||
| April 25 | "Te Olvide" | Alejandro Fernández | [19] | |
| May 2 | [20] | |||
| May 9 | "Se Me Olvido" | Christian Nodal | [21] | |
| May 16 | [22] | |||
| May 23 | [23] | |||
| May 30 | [24] | |||
| June 6 | "Yo Ya No Vuelvo Contigo" | Lenin Ramirez Featuring Grupo Firme | [25] | |
| June 13 | "Se Me Olvido" | Christian Nodal | [26] | |
| June 20 | [27] | |||
| June 27 | "Otra Borrachera" | Gerardo Ortíz | [28] | |
| July 4 | "En Eso No Quedamos" | Banda Los Sebastianes de Mazatlan, Sinaloa | [29] | |
| July 11 | "Otra Borrachera" | Gerardo Ortíz | [30] | |
| July 18 | "En Eso No Quedamos" | Banda Los Sebastianes de Mazatlan, Sinaloa | [31] | |
| July 25 | "Barquillero" | Calibre 50 | [32] | |
| August 1 | [33] | |||
| August 8 | [34] | |||
| August 15 | [35] | |||
| August 22 | "Me Hubieras Avisado" | Edwin Luna y La Trakalosa de Monterrey | [36] | |
| August 29 | [37] | |||
| September 5 | "El Envidioso" | Los Dos Carnales | [38] | |
| September 12 | "Aquí Abajo" | Christian Nodal | [39] | |
| September 19 | [40] | |||
| September 26 | "Somos Los Que Somos" | Los 2 de La S & Banda MS de Sergio Lizarraga | [41] | |
| October 3 | "Aquí Abajo" | Christian Nodal | [42] | |
| October 10 | [43] | |||
| October 17 | "Lo Que Nunca Sera" | La Adictiva Banda San Jose de Mesillas | [44] | |
| October 24 | "Decepciones" | Alejandro Fernández & Calibre 50 | [45] | |
| October 31 | "Lo Que Nunca Sera" | La Adictiva Banda San Jose de Mesillas | [46] | |
| November 7 | [47] | |||
| November 14 | [48] | |||
| November 21 | [49] | |||
| November 28 | [50] | |||
| December 5 | "Cerrando Ciclos" | Banda MS de Sergio Lizarraga | [51] | |
| December 12 | [52] | |||
| December 19 | "Te Volveria A Elegir" | Calibre 50 | [53] | |
| December 26 | [54] |