List of number-one dance singles of 2005 (Australia)

The ARIA Dance Chart is a chart that ranks the best-performing dance singles of Australia. It is published by Australian Recording Industry Association (ARIA), an organisation who collect music data for the weekly ARIA Charts. To be eligible to appear on the chart, the recording must be a single, and be "predominantly of a dance nature, or with a featured track of a dance nature, or included in the ARIA Club Chart or a comparable overseas chart".