List of Billboard Hot 100 number ones of 1984

These are the Billboard Hot 100 number-one hits of 1984. Overall, Prince spent the most weeks at number one in 1984, reigning for seven weeks at the top with "When Doves Cry" and "Let's Go Crazy" (with the Revolution). However, "Like a Virgin" by Madonna had the longest run at number one of any song which rose into the top position during 1984. Though it spent only two weeks at number one at the end of the year, it went on to spend an additional four weeks at the top to begin 1985, for a total of six weeks.

That year, 15 acts achieved their first number one song, such as Yes, Culture Club, Van Halen, Kenny Loggins, Phil Collins, Cyndi Lauper, Duran Duran, Prince, Ray Parker Jr., Tina Turner, John Waite, The Revolution, Billy Ocean, Wham!, and Madonna. Prince was the only act to hit number one more than once that year, with two.