Hot 100 number-one hits of 1978 (United States)
From Wikipedia, the free encyclopedia
These are the Billboard magazine Hot 100 number one hits of 1978.
| Issue Date | Song | Artist |
| January 7 | "How Deep Is Your Love" | Bee Gees |
| January 14 | "Baby Come Back" | Player |
| January 21 | "Baby Come Back" | Player |
| January 28 | "Baby Come Back" | Player |
| February 4 | "Stayin' Alive" | Bee Gees |
| February 11 | "Stayin' Alive" | Bee Gees |
| February 18 | "Stayin' Alive" | Bee Gees |
| February 25 | "Stayin' Alive" | Bee Gees |
| March 4 | "(Love Is) Thicker Than Water" | Andy Gibb |
| March 11 | "(Love Is) Thicker Than Water" | Andy Gibb |
| March 18 | "Night Fever" | Bee Gees |
| March 25 | "Night Fever" | Bee Gees |
| April 1 | "Night Fever" | Bee Gees |
| April 8 | "Night Fever" | Bee Gees |
| April 15 | "Night Fever" | Bee Gees |
| April 22 | "Night Fever" | Bee Gees |
| April 29 | "Night Fever" | Bee Gees |
| May 6 | "Night Fever" | Bee Gees |
| May 13 | "If I Can't Have You" | Yvonne Elliman |
| May 20 | "With a Little Luck" | Wings |
| May 27 | "With a Little Luck" | Wings |
| June 3 | "Too Much, Too Little, Too Late" | Johnny Mathis and Deniece Williams |
| June 10 | "You're the One That I Want" | John Travolta and Olivia Newton-John |
| June 17 | "Shadow Dancing" | Andy Gibb |
| June 24 | "Shadow Dancing" | Andy Gibb |
| July 1 | "Shadow Dancing" | Andy Gibb |
| July 8 | "Shadow Dancing" | Andy Gibb |
| July 15 | "Shadow Dancing" | Andy Gibb |
| July 22 | "Shadow Dancing" | Andy Gibb |
| July 29 | "Shadow Dancing" | Andy Gibb |
| August 5 | "Miss You" | The Rolling Stones |
| August 12 | "Three Times a Lady" | Commodores |
| August 19 | "Three Times a Lady" | Commodores |
| August 26 | "Grease" | Frankie Valli |
| September 2 | "Grease" | Frankie Valli |
| September 9 | "Boogie Oogie Oogie" | A Taste of Honey |
| September 16 | "Boogie Oogie Oogie" | A Taste of Honey |
| September 23 | "Boogie Oogie Oogie" | A Taste of Honey |
| September 30 | "Kiss You All Over" | Exile |
| October 7 | "Kiss You All Over" | Exile |
| October 14 | "Kiss You All Over" | Exile |
| October 21 | "Kiss You All Over" | Exile |
| October 28 | "Hot Child in the City" | Nick Gilder |
| November 4 | "You Needed Me" | Anne Murray |
| November 11 | "MacArthur Park" | Donna Summer |
| November 18 | "MacArthur Park" | Donna Summer |
| November 25 | "MacArthur Park" | Donna Summer |
| December 2 | "You Don't Bring Me Flowers" | Barbra Streisand and Neil Diamond |
| December 9 | "Le Freak" | Chic |
| December 16 | "You Don't Bring Me Flowers" | Barbra Streisand and Neil Diamond |
| December 23 | "Le Freak" | Chic |
| December 30 | "Le Freak" | Chic |
