Tony Michael O'Connor (15 March 1961 – 23 May 2010) was an Australian composer, producer and performer of instrumental, new-age music. His music has sold over three and a half million copies worldwide, releasing his debut album in 1987 and his last in 2007.

O'Connor also composed music scores for film and television and is one of Australia's biggest selling instrumental musicians. His music sometimes utilises sounds from nature, and is very much focused on relaxation and what he called music therapy. His album, Mariner (1990), reached No. 40 on the ARIA Albums Chart in March 1993. Tony O'Connor died on 23 May 2010, due to a glioblastoma multiforme. He is survived by his life partner, Jacqui O'Connor and their child, Samantha Jane.