List of number-one dance singles of 1979 (U.S.)
These are the Billboard magazine Hot Dance Club Play number one hits of 1979.
| Issue date | Song | Artist |
| January 6 | "Le Freak"/ "I Want Your Love"/ "Chic Cheer" | Chic |
| January 13 | "Contact" | Edwin Starr |
| January 20 | Fly Away | Voyage |
| January 27 | "I Will Survive"/ "Substitute"/ "Anybody Wanna Party?"/ "I Said Yes" | Gloria Gaynor |
| February 3 | "I Will Survive"/ "Substitute"/ "Anybody Wanna Party?"/ "I Said Yes" | Gloria Gaynor |
| February 10 | "I Will Survive"/ "Substitute"/ "Anybody Wanna Party?"/ "I Said Yes" | Gloria Gaynor |
| February 17 | "Keep on Dancin'"/ "Do It at the Disco"/ "Let's Lovedance Tonight" | Gary's Gang |
| February 24 | "Da Ya Think I'm Sexy?" | Rod Stewart |
| March 3 | "Da Ya Think I'm Sexy?" | Rod Stewart |
| March 10 | "Da Ya Think I'm Sexy?" | Rod Stewart |
| March 17 | "I Got My Mind Made Up " | Instant Funk |
| March 24 | "We Are Family"/ "He's the Greatest Dancer"/ "Lost in Music" | Sister Sledge |
| March 31 | "We Are Family"/ "He's the Greatest Dancer"/ "Lost in Music" | Sister Sledge |
| April 7 | "Dancer"/ "Dance to Dance" | Gino Soccio |
| April 14 | "Dancer"/ "Dance to Dance" | Gino Soccio |
| April 21 | "Dancer"/ "Dance to Dance" | Gino Soccio |
| April 28 | "Dancer"/ "Dance to Dance" | Gino Soccio |
| May 5 | "Dancer"/ "Dance to Dance" | Gino Soccio |
| May 12 | "Dancer"/ "Dance to Dance" | Gino Soccio |
| May 19 | "Ring My Bell" | Anita Ward |
| May 26 | Bad Girls | Donna Summer |
| June 2 | Bad Girls | Donna Summer |
| June 9 | Bad Girls | Donna Summer |
| June 16 | Bad Girls | Donna Summer |
| June 23 | Bad Girls | Donna Summer |
| June 30 | Bad Girls | Donna Summer |
| July 7 | Bad Girls | Donna Summer |
| July 14 | "Born to Be Alive" | Patrick Hernandez |
| July 21 | "Born to Be Alive" | Patrick Hernandez |
| July 28 | "Born to Be Alive" | Patrick Hernandez |
| August 4 | "I've Got the Next Dance" | Deniece Williams |
| August 11 | "This Time Baby" | Jackie Moore |
| August 18 | "Here Comes That Sound Again" | Love De-Luxe |
| August 25 | The Boss | Diana Ross |
| September 1 | The Boss | Diana Ross |
| September 8 | "Found a Cure"/ "Stay Free"/ "Nobody Knows" | Ashford & Simpson |
| September 15 | "Found a Cure"/ "Stay Free"/ "Nobody Knows" | Ashford & Simpson |
| September 22 | "Come to Me"/ "Don't Stop Dancing"/ "Playboy" | France Joli |
| September 29 | "Come to Me"/ "Don't Stop Dancing"/ "Playboy" | France Joli |
| October 6 | "Come to Me"/ "Don't Stop Dancing"/ "Playboy" | France Joli |
| October 13 | "Move On Up"/ "Up Up Up"/ "Destination's Theme" | Destination |
| October 20 | "Move On Up"/ "Up Up Up"/ "Destination's Theme" | Destination |
| October 27 | "Move On Up"/ "Up Up Up"/ "Destination's Theme" | Destination |
| November 3 | "Move On Up"/ "Up Up Up"/ "Destination's Theme" | Destination |
| November 10 | "Harmony"/ "Ooh, La La" | Suzi Lane |
| November 17 | "Beat of the Night"/ "Pump It Up" | Fever |
| November 24 | "No More Tears " | Barbra Streisand and Donna Summer |
| December 1 | "No More Tears " | Barbra Streisand and Donna Summer |
| December 8 | "No More Tears " | Barbra Streisand and Donna Summer |
| December 15 | "No More Tears " | Barbra Streisand and Donna Summer |
| December 22 | "Deputy of Love" | Don Armando's Second Avenue Rhumba Band |
| December 29 | "Deputy of Love" | Don Armando's Second Avenue Rhumba Band |