Nanda Layos Lwin (born August 31, 1971, in London, Ontario) is a Canadian author, music historian, journalist, civil engineer, and educator. He wrote the weekly ChartTalk column, a commentary of the current Canadian music charts; it appeared on canoe.ca from 1997 to 2002 and in The Hamilton Spectator from 2003 to 2006. He is the author and publisher of eight books including Top 40 Hits: The Essential Chart Guide (1999) and Top Albums: The Essential Chart Guide (2003), primarily documenting the chart history of the Canadian music magazine The Record.