This is a list containing the Billboard Hot Latin Tracks number-ones of 1998. Due to damage to the Broadcast Data Systems monitors in Puerto Rico caused by Hurricane Georges, no charts were published from October 10 to October 17.[1]
| Issue date | Song | Artist(s) | Ref. |
|---|---|---|---|
| January 3 | "Si Tú Supieras" | Alejandro Fernández | [2] |
| January 10 | "En El Jardín" | Alejandro Fernández and Gloria Estefan | [3] |
| January 17 | [4] | ||
| January 24 | [5] | ||
| January 31 | [6] | ||
| February 7 | "Por Qué Te Conocí" | Los Temerarios | [7] |
| February 14 | "En El Jardín" | Alejandro Fernández and Gloria Estefan | [8] |
| February 21 | "My Heart Will Go On" | Céline Dion | [9] |
| February 28 | "Vuelve" | Ricky Martin | [10] |
| March 7 | [11] | ||
| March 14 | "No Sé Olvidar" | Alejandro Fernández | [12] |
| March 21 | [13] | ||
| March 28 | [14] | ||
| April 4 | [15] | ||
| April 11 | [16] | ||
| April 18 | [17] | ||
| April 25 | [18] | ||
| May 2 | [19] | ||
| May 9 | "Una Fan Enamorada" | Servando & Florentino | [20] |
| May 16 | "Suavemente" | Elvis Crespo | [21] |
| May 23 | [22] | ||
| May 30 | [23] | ||
| June 6 | [24] | ||
| June 13 | [25] | ||
| June 20 | [26] | ||
| June 27 | "Rezo" | Carlos Ponce | [27] |
| July 4 | [28] | ||
| July 11 | [29] | ||
| July 18 | "Yo Nací Para Amarte" | Alejandro Fernandez | [30] |
| July 25 | [31] | ||
| August 1 | [32] | ||
| August 8 | [33] | ||
| August 15 | [34] | ||
| August 22 | "Te Quiero Tanto, Tanto" | Onda Vaselina | [35] |
| August 29 | "Tu Sonrisa" | Elvis Crespo | [36] |
| September 5 | "Oye!" | Gloria Estefan | [37] |
| September 12 | "Tu Sonrisa" | Elvis Crespo | [38] |
| September 19 | "Perdido Sin Ti" | Ricky Martin | [39] |
| September 26 | "Decir Adiós" | Carlos Ponce | [40] |
| October 3 | [41] | ||
| October 10 | N/A | No Charts Published | [42] |
| October 17 | [43] | ||
| October 24 | "Esperanza" | Enrique Iglesias | [44] |
| October 31 | [45] | ||
| November 7 | [46] | ||
| November 14 | [47] | ||
| November 21 | "Ciega, Sordomuda" | Shakira | [48] |
| November 28 | [49] | ||
| December 5 | [50] | ||
| December 12 | "Dejaría Todo" | Chayanne | [51] |
| December 19 | [52] | ||
| December 26 | "Mi PC" | Juan Luis Guerra | [53] |
