This is a list of the French Singles & Airplay Chart Reviews number-ones of 1978.[1]
| Week | Date | Artist | Single | ||||
| 1 | 6 January | Sheila and Black Devotion | "Singin' in the Rain Part 1" | ||||
| 2 | 13 January | Boney M. | "Belfast" | ||||
| 3 | 20 January | ||||||
| 4 | 27 January | ||||||
| 5 | 3 February | Adriano Celentano | "Don't Play That Song" | ||||
| 6 | 10 February | Umberto Tozzi | "Ti amo" | ||||
| 7 | 17 February | ||||||
| 8 | 24 February | Plastic Bertrand | "Ça plane pour moi" | ||||
| 9 | 3 March | ||||||
| 10 | 10 March | Umberto Tozzi | "Ti amo" | ||||
| 11 | 17 March | Bee Gees | "How Deep Is Your Love" | ||||
| 12 | 24 March | Queen | "We Will Rock You"/We Are The Champions | ||||
| 13 | 31 March | ||||||
| 14 | 7 April | Claude François | "Magnolias Forever" | ||||
| 15 | 14 April | ||||||
| 16 | 21 April | Bee Gees | "How Deep Is Your Love" | ||||
| 17 | 28 April | ||||||
| 18 | 5 May | ||||||
| 19 | 12 May | ||||||
| 20 | 19 May | ||||||
| 21 | 26 May | ||||||
| 22 | 2 June | Bonnie Tyler | "It's a Heartache" | ||||
| 23 | 9 June | ||||||
| 24 | 16 June | ||||||
| 25 | 23 June | Boney M. | "Rivers of Babylon" | ||||
| 26 | 30 June | ||||||
| 27 | 7 July | ||||||
| 28 | 14 July | ||||||
| 29 | 21 July | Michel Sardou | "En chantant" | ||||
| 30 | 28 July | ||||||
| 31 | 4 August | ||||||
| 32 | 11 August | ||||||
| 33 | 18 August | ||||||
| 34 | 25 August | ||||||
| 35 | 1 September | Bee Gees | "Stayin' Alive" | ||||
| 36 | 8 September | ||||||
| 37 | 15 September | John Travolta and Olivia Newton-John | "You're the One That I Want" | ||||
| 38 | 22 September | ||||||
| 39 | 29 September | ||||||
| 40 | 6 October | ||||||
| 41 | 13 October | ||||||
| 42 | 20 October | ||||||
| 43 | 27 October | ||||||
| 44 | 3 November | ||||||
| 45 | 10 November | ||||||
| 46 | 17 November | ||||||
| 47 | 24 November | ||||||
| 48 | 1 December | ||||||
| 49 | 8 December | ||||||
| 50 | 15 December | ||||||
| 51 | 22 December | ||||||
| 52 | 29 December | Julio Iglesias / Village People | "Le monde est fou, le monde est beau" / "Y.M.C.A." |
On the week of December 29, 1978, both songs shared the top position of the charts.