List of Cash Box Top 100 number-one singles of 1973

This list of number-one hits in the U.S. Cash Box Charts in 1973. It was the year of 40 number-one singles.

• Billy Paul - Me and Mrs. Jones Two weeks (December 23, 1972 - January 5, 1973 )

• 2 weeks ( January 6 to January 19 )

• 2 weeks ( January 20-February 2 )

• 2 weeks ( February 3 to February 16 )

• 3 weeks ( March 10 to March 30 )

• 2 weeks ( April 21 to April 27 )

• 3 weeks ( April 28 to May 18 )

• 4 weeks ( June 2-June 29 )

• 2 weeks ( June 30 to July 13 )

• 2 weeks ( September 8 to September 21 )

• 2 weeks ( December 22, 1973 - January 4 1974)