List of Billboard number-one dance singles of 1977

The National Disco Action Top 40 was a chart published weekly by Billboard magazine in the United States, which ranked the popularity of dance singles in nightclubs across the country, based on a national survey of club disc jockeys.

The songs remained atop the chart through the issue dated January 29, before being displaced by "Disco Inferno", "Starvin'", and "Body Contact Contract" by the Trammps, three songs from the group's album Disco Inferno.

[2] In contrast, neither of the two songs by Love & Kisses which topped the disco chart entered the Hot 100 at all.

[3] The Eurodisco act's lengthy tracks proved extremely popular with nightclub DJs but were generally not deemed suitable for top 40 radio airplay, limiting their mainstream appeal.

[5] Combined tracks from her album I Remember Yesterday spent three weeks in the peak position in July, and in December she returned to the top spot with all the cuts from her next album Once Upon a Time; this was the year's final chart-topper.

Singing group Village People
Village People spent seven consecutive weeks at number one with several tracks from their self-titled album .
Singer Donna Summer
Two of Donna Summer 's albums topped the chart.
Singer Thelma Houston
Thelma Houston topped the chart in January.
Singer Marvin Gaye
" Got to Give It Up " was a number one for Marvin Gaye .