Simon Heyworth is an English record engineer and producer. He rose to prominence as engineer at Richard Branson's The Manor Studio in the 1970s, where he and Tom Newman worked on Tubular Bells (1973) by Mike Oldfield, which achieved significant commercial success in the UK. He has worked with various artists, including King Crimson, Simple Minds, Rick Wakeman, Marillion, and Nick Drake. In 2002, Heyworth set up his own audio mastering studio, Super Audio Mastering, in Devon.