Jonathon James English (born 26 March 1949 in Hampstead, London, England) is an Australian rock singer, musician, actor and writer. Jon English emigrated to Australia with his parents in 1961. He was an early vocalist and rhythm guitarist for Sebastian Hardie but left to take on the role of Judas Iscariot in the Australian version of the stage musical Jesus Christ Superstar from May 1972, which was broadcast on television. English is also a noted solo singer, his Australian top twenty hit singles include "Turn the Page", "Hollywood Seven", "Words are Not Enough", "Six Ribbons" and "Hot Town".

English was acclaimed for his starring role in the 1978 Australian TV series Against the Wind - he won the TV Week Logie Award for 'Best New Talent in Australia'. He also co-wrote and performed the score with Mario Millo (ex-Sebastian Hardie). The series had international release, known as Mot alla vindar (1980) in Swedish, where both "Six Ribbons" and "Against the Wind" were released as singles, both singles and the soundtrack album peaked at #1 on the Norwegian charts; the first single, "Six Ribbons" and the album, peaked at #4 on the Swedish charts.

During 1983-1985, English won four Mo Awards with three consecutive 'Entertainer of the Year' awards and a further 'Male Vocal Performer' in 1985. English has performed in Gilbert and Sullivan's operettas The Pirates of Penzance, The Mikado and H.M.S. Pinafore from 1984. Performances of Essgee Entertainment's productions of the Gilbert and Sullivan trilogy from 1994 to 1997 were broadcast on Australian TV, they were all released on VHS and subsequently on DVD.