These are the Billboard magazine's number-one dance songs of 2008 on the Dance Club Songs, the Dance Singles Sales, and the Dance/Mix Show Airplay. The Hot Dance Club Songs was first published in 1976, ranking the most popular songs on dance club based on reports from a national sample of club DJs. The Dance/Mix Show Airplay was first published in 2003, ranking the songs based on dance radio airplay and mix-show plays on top 40 radio and select rhythmic radio as measured by Mediabase.
The first club play number-one song of the year was Dave Gahan's "Kingdom", and it ranked at number 10 on the 2008 Dance Club Play year-end chart. Artists to achieve one number one song on the chart throughout the course of 2008 were Celine Dion with "Taking Chances" which ranked at number 30 on the 2008 year-end list, Mary J. Blige with "Just Fine" which ranked at number 45 on the 2008 year-end list, Mariah Carey with "Touch My Body", and Rihanna with "Disturbia". Bob Sinclar and Steve Edwards topped the chart with "Together", which claimed the number one position on the 2008 year-end chart as the most performed song in dance clubs.
Multiple artists achieved two number-one dance singles throughout the course of 2008. Kimberley Locke topped the chart with "Band of Gold" and "Fall". The former ranked at number 11 on the 2008 year-end chart, while the latter ranked at number 39. Britney Spears achieved two number ones on the chart with "Piece of Me" and "Break the Ice". "Piece of Me" ranked at number 37 on the 2008 year-end chart, while "Break the Ice" ranked at number 42. Madonna and Donna Summer both topped the chart with two songs, and were the only artists in 2008 to have one song each peak at number one for two consecutive weeks. Madonna claimed the number one position twice with the songs "4 Minutes", featuring Justin Timberlake, which spent two consecutive weeks atop the chart, and with "Give It 2 Me". Summer's "Stamp Your Feet" also topped the chart for two consecutive weeks, and with "I'm a Fire". Other artists earning two number ones during 2008 are Yoko Ono, Cyndi Lauper, Erin Hamilton, Moby, and Solange. Natasha Bedingfield earned the most number-ones during 2008, with three: "Love like This", "Pocketful of Sunshine" and "Angel".