John Michael Burchell, known professionally as Jon Mark, was an English singer-songwriter and guitarist, best known for his recordings with Marianne Faithfull, Sweet Thursday, John Mayall and Mark-Almond. Mark, who received a Grammy in 2004, lived in Rotorua, New Zealand.

Mark–Almond was a jazz-influenced English pop group of the 1970s and early 1980s, sometimes also called The Mark-Almond Band. The core members were Jon Mark, who sang lead and played guitar, percussion, and harmonica and Johnny Almond who played saxophone, flute and bass flute and sang back-up. Various other musicians recorded and toured with the duo at various times, notably including drummer Dannie Richmond, a long-time associate of jazz bassist Charles Mingus.