Paul Francis McDermott (born 17 September 1965), who performs as Paul Mac, is an Australian electro-pop musician, singer-songwriter, producer and music re-mixer. He was classically trained at Sydney Conservatorium of Music. Mac has formed various bands including Smash Mac Mac (1986–88), The Lab (1989–1998), Itch-E and Scratch-E (1991–present), Boo Boo Mace & Nutcase (1996–98), and The Dissociatives (2003–2005). Mac has released two solo albums, 3000 Feet High (6 August 2001) and Panic Room (17 October 2005) – both appeared in the top 40 on the ARIA Albums Chart. At the ARIA Music Awards of 2002 Mac won 'Best Dance Release' for 3000 Feet High and was nominated for 'Best Male Artist' and 'Engineer of the Year'. In June 2001 he issued his highest charting single, "Just the Thing", which featured lead vocals by Peta Morris. It reached No. 17 on the ARIA Singles Chart and at the APRA Music Awards of 2002 it won 'Most Performed Dance Work'.

Mac played with Severed Heads and was part of Silverchair's touring band as well as recording piano parts for their album, Young Modern (March 2007). He has provided remixes for Silverchair, Powderfinger, The Mark of Cain, Grinspoon, The Cruel Sea, INXS and Placebo. Mac has worked on soundtracks for Baz Luhrmann and on the films Head On and Sample People. He was the musical director on the Australian TV show, Good News Week, and composed music for ABC-TV including The Afternoon Show, EC Plays Lift Off and TVTV.