List of Cash Box Top 100 number-one singles of 1980
This list of number-one hits in the U.S. Cash Box Charts in 1980. It was the year of 21 number-one singles.
- Rupert Holmes: Escape (The Piña Colada Song) 3 weeks ( December 22, 1979 - January 11, 1980)
- 3 weeks ( January 12-February 1 )
- 3 weeks ( February 23-March 14 )
- 3 weeks ( March 22-April 11 )
- 7 weeks ( April 12 to May 30 )
- 5 weeks ( May 31-July 4 )
- 3 weeks ( July 12-August 1 )
- 3 weeks ( August 2 to August 22 )
- 2 weeks ( August 30 to September 12 )
- 3 weeks ( September 13-October 3 )
- 4 weeks ( October 4 to October 31 )
- 2 weeks ( November 1 to November 14 )
- 3 weeks ( November 15 to December 5, a total of 4 weeks)
- 2 weeks ( December 6 to December 19 )
- 5 weeks (December 27, 1980 - January 30, 1981 )