This is a list of the Official Lebanese Top 20 number-one songs of 2018. The songs' popularity is determined by radio airplay frequency throughout a given week, audited and compiled by Ipsos SA. The Official Lebanese Top 20 provides two charts: Combined and English (which actually includes all "Western" songs, regardless of their language).
| Issue Date | English | Ref. | ||
|---|---|---|---|---|
| Song | Artist(s) | |||
| January 7 | "Échame la Culpa" | Luis Fonsi ft. Demi Lovato | [1] | |
| January 28 | "Naked" | James Arthur | [2] | |
| February 4 | "Roll With It" | Massari ft. Mohammed Assaf | [3] | |
| February 18 | "One Night" | Rodge ft. Meerah | [4] [5] | |
| March 4 | "River" | Eminem ft. Ed Sheeran | [6] [7] | |
| March 18 | "Pray for Me" | The Weeknd & Kendrick Lamar | [8] [9] | |
| April 1 | "For You" | Liam Payne ft. Rita Ora | [10] | |
| April 8 | "Pray for Me" | The Weeknd & Kendrick Lamar | [11] [12] | |
| April 22 | "For You" | Liam Payne ft. Rita Ora | [13] | |
| April 29 | "Friends" | Marshmello & Anne-Marie | [14] | |
| May 27 | "One Kiss" | Calvin Harris ft. Dua Lipa | [15] [16] [17] | |
| July 1 | "Girls Like You" | Maroon 5 ft. Cardi B | [18] | |
| July 22 | "Bella ciao" | Rodge ft. Tre Tenori | [19] [20] | |
| August 5 | "In My Feelings" | Drake | [21] [22] [23] [24] | |
| September 16 | "It Starts with Love" | Rodge ft. Gary Pine | [25] | |