This is a list of the French SNEP Top 100 Singles number-ones of 1991.[1]
| Week | Issue Date | Artist | Single | ||||
| 1 | January 5 | François Feldman | "Petit Frank" | ||||
| 2 | January 12 | ||||||
| 3 | January 19 | Félix Gray & Didier Barbelivien | "Il faut laisser le temps au temps" | ||||
| 4 | January 26 | ||||||
| 5 | February 2 | Enigma | "Sadeness (Part I)" | ||||
| 6 | February 9 | ||||||
| 7 | February 16 | ||||||
| 8 | February 23 | ||||||
| 9 | March 2 | ||||||
| 10 | March 9 | Scorpions | "Wind of Change" | ||||
| 11 | March 16 | ||||||
| 12 | March 23 | ||||||
| 13 | March 30 | ||||||
| 14 | April 6 | ||||||
| 15 | April 13 | ||||||
| 16 | April 20 | ||||||
| 17 | April 27 | Mylène Farmer | "Désenchantée" | ||||
| 18 | May 4 | ||||||
| 19 | May 11 | ||||||
| 20 | May 18 | ||||||
| 21 | May 25 | ||||||
| 22 | June 1 | ||||||
| 23 | June 8 | ||||||
| 24 | June 15 | ||||||
| 25 | June 22 | ||||||
| 26 | June 29 | Les Inconnus | "Auteuil, Neuilly, Passy (rap BCBG)" | ||||
| 27 | July 6 | ||||||
| 28 | July 13 | ||||||
| 29 | July 20 | Lagaf' | "La Zoubida" | ||||
| 30 | July 27 | Les Inconnus | Auteuil, Neuilly, Passy (rap BCBG) | ||||
| 31 | August 3 | Lagaf' | "La Zoubida" | ||||
| 32 | August 10 | ||||||
| 33 | August 17 | ||||||
| 34 | August 24 | ||||||
| 35 | August 31 | ||||||
| 36 | September 7 | ||||||
| 37 | September 14 | ||||||
| 38 | September 21 | ||||||
| 39 | September 28 | ||||||
| 40 | October 5 | ||||||
| 41 | October 12 | Bryan Adams | "(Everything I Do) I Do It for You" | ||||
| 42 | October 19 | ||||||
| 43 | October 26 | ||||||
| 44 | November 2 | ||||||
| 45 | November 9 | ||||||
| 46 | November 16 | ||||||
| 47 | November 23 | ||||||
| 48 | November 30 | ||||||
| 49 | December 7 | Patrick Bruel | "Qui a le droit..." | ||||
| 50 | December 14 | ||||||
| 51 | December 21 | ||||||
| 52 | December 28 |