title: List of Cash Box Top 100 number-one singles of 1979
text: # List of Cash Box Top 100 number-one singles of 1979
  
  These are the number-one hits on the Top 100 Singles chart in 1979 as published by Cash Box magazine.
  
  Key :
  
  | † | Indicates best-performing single of 1979 |
  | - | - |
  | Issue date | Song | Artist |
  | January 6 | "Le Freak" † | Chic |
  | January 13 | "Le Freak" † | Chic |
  | January 20 | "Le Freak" † | Chic |
  | January 27 | "Le Freak" † | Chic |
  | February 3 | "Da Ya Think I'm Sexy?" | Rod Stewart |
  | February 10 | "Da Ya Think I'm Sexy?" | Rod Stewart |
  | February 17 | "Da Ya Think I'm Sexy?" | Rod Stewart |
  | February 24 | "Da Ya Think I'm Sexy?" | Rod Stewart |
  | March 3 | "Da Ya Think I'm Sexy?" | Rod Stewart |
  | March 10 | "I Will Survive" | Gloria Gaynor |
  | March 17 | "Tragedy" | Bee Gees |
  | March 24 | "Tragedy" | Bee Gees |
  | March 31 | "Tragedy" | Bee Gees |
  | April 7 | "What a Fool Believes" | Doobie Brothers |
  | April 14 | "What a Fool Believes" | Doobie Brothers |
  | April 21 | "Knock on Wood" | Amii Stewart |
  | April 28 | "Heart of Glass" | Blondie |
  | May 5 | "Reunited" | Peaches & Herb |
  | May 12 | "Reunited" | Peaches & Herb |
  | May 19 | "Reunited" | Peaches & Herb |
  | May 26 | "Reunited" | Peaches & Herb |
  | June 2 | "Hot Stuff" | Donna Summer |
  | June 9 | "Hot Stuff" | Donna Summer |
  | June 16 | "Hot Stuff" | Donna Summer |
  | June 23 | "Hot Stuff" | Donna Summer |
  | June 30 | "Ring My Bell" | Anita Ward |
  | July 7 | "Ring My Bell" | Anita Ward |
  | July 14 | "Ring My Bell" | Anita Ward |
  | July 21 | "Bad Girls" | Donna Summer |
  | July 28 | "Bad Girls" | Donna Summer |
  | August 4 | "Bad Girls" | Donna Summer |
  | August 11 | "Good Times" | Chic |
  | August 18 | "My Sharona" | The Knack |
  | August 25 | "My Sharona" | The Knack |
  | September 1 | "My Sharona" | The Knack |
  | September 8 | "My Sharona" | The Knack |
  | September 15 | "My Sharona" | The Knack |
  | September 22 | "My Sharona" | The Knack |
  | September 29 | "Sad Eyes" | Robert John |
  | October 6 | "Sad Eyes" | Robert John |
  | October 13 | "Don't Stop 'til You Get Enough" | Michael Jackson |
  | October 20 | "Sail On" | Commodores |
  | October 27 | "Rise" | Herb Alpert |
  | November 3 | "Rise" | Herb Alpert |
  | November 10 | "Heartache Tonight" | Eagles |
  | November 17 | "Still" | Commodores |
  | November 24 | "Babe" | Styx |
  | December 1 | "Babe" | Styx |
  | December 8 | "Babe" | Styx |
  | December 15 | "No More Tears (Enough Is Enough)" | Barbra Streisand & Donna Summer |
  | December 22 | "Escape (The Pina Colada Song)" | Rupert Holmes |
  | December 29 | "Escape (The Pina Colada Song)" | Rupert Holmes |
  