This is a list containing the Billboard Hot Latin Tracks number-ones of 2004.
| Issue Date | Song | Artist |
| January 3 | "Me Cansé De Tí" | Obie Bermúdez[1] |
| January 10 | "Mientes Tan Bien" | Sin Bandera[2] |
| January 17 | "Mientes Tan Bien" | Sin Bandera[3] |
| January 24 | "Me Cansé De Tí" | Obie Bermúdez[4] |
| January 31 | "Cuidarte el Alma" | Chayanne[5] |
| February 7 | "Cuidarte el Alma" | Chayanne[6] |
| February 14 | "Cuidarte el Alma" | Chayanne[7] |
| February 21 | "Te Quise Tanto" | Paulina Rubio[8] |
| February 28 | "Cerca de Tí" | Thalía[9] |
| March 6 | "Te Quise Tanto" | Paulina Rubio[10] |
| March 13 | "Te Quise Tanto" | Paulina Rubio[11] |
| March 20 | "Te Quise Tanto" | Paulina Rubio[12] |
| March 27 | "Y Todo Queda En Nada" | Ricky Martin[13] |
| April 3 | "Te Quise Tanto" | Paulina Rubio[14] |
| April 10 | "Te Quise Tanto" | Paulina Rubio[15] |
| April 17 | "Tengo Ganas" | Víctor Manuelle[16] |
| April 24 | "Tengo Ganas" | Víctor Manuelle[17] |
| May 1 | "Tengo Ganas" | Víctor Manuelle[18] |
| May 8 | "Tu Fotografía" | Gloria Estefan[19] |
| May 15 | "Más Que Tu Amigo" | Marco Antonio Solís[20] |
| May 22 | "Abrazar la Vida" | Luis Fonsi[21] |
| May 29 | "Vivo y Muero en tu Piel" | Jennifer Peña[22] |
| June 5 | "Vivo y Muero en tu Piel" | Jennifer Peña[23] |
| June 12 | "Vivo y Muero en tu Piel" | Jennifer Peña[24] |
| June 19 | "Ahora Quién" | Marc Anthony[25] |
| June 26 | "Vivo y Muero en tu Piel" | Jennifer Peña[26] |
| July 3 | "Vivo y Muero en tu Piel" | Jennifer Peña[27] |
| July 10 | "Ahora Quién" | Marc Anthony[28] |
| July 17 | "Vivo y Muero en tu Piel" | Jennifer Peña[29] |
| July 24 | "Que De Raro Tiene" | Los Temerarios[30] |
| July 31 | "Que De Raro Tiene" | Los Temerarios[31] |
| August 7 | "Que De Raro Tiene" | Los Temerarios[32] |
| August 14 | "Que De Raro Tiene" | Los Temerarios[33] |
| August 21 | "Que De Raro Tiene" | Los Temerarios[34] |
| August 28 | "Como Tú" | Carlos Vives[35] |
| September 4 | "Como Tú" | Carlos Vives[36] |
| September 11 | "Como Tú" | Carlos Vives[37] |
| September 18 | "Son de Amores" | Andy & Lucas[38] |
| September 25 | "Nada Valgo Sin Tu Amor" | Juanes[39] |
| October 2 | "Nada Valgo Sin Tu Amor" | Juanes[40] |
| October 9 | "Nada Valgo Sin Tu Amor" | Juanes[41] |
| October 16 | "Nada Valgo Sin Tu Amor" | Juanes[42] |
| October 23 | "Me Dediqué a Perderte" | Alejandro Fernández[43] |
| October 30 | "Nada Valgo Sin Tu Amor" | Juanes[44] |
| November 6 | "Nada Valgo Sin Tu Amor" | Juanes[45] |
| November 13 | "Nada Valgo Sin Tu Amor" | Juanes[46] |
| November 20 | "Nada Valgo Sin Tu Amor" | Juanes[47] |
| November 27 | "Nada Valgo Sin Tu Amor" | Juanes[48] |
| December 4 | "Nada Valgo Sin Tu Amor" | Juanes[49] |
| December 11 | "Nada Valgo Sin Tu Amor" | Juanes[50] |
| December 18 | "Me Dediqué a Perderte" | Alejandro Fernández[51] |
| December 25 | "Dame Otro Tequila" | Paulina Rubio[52] |
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