Jonathan Zion is an Australian musician; his main instruments are bass guitar and double bass.

Zion has also performed with numerous bands and artists across many genres, including Judy Jacques, Jack Jones, Joe Camilleri, Stephen Magnusson, Adam Simmons, Tony Gould, Graeme Lyall, Albare, Ross Hannaford, Mr. Brown, Strumpet, Salamander, Tine Kopa's The Atman Project, Ruby Page and Pete Murray.

National touring included: Joan Armatrading, Randy Crawford, Hootie and the Blowfish, The Marvelous Three, and for local acts Neil Finn, The Whitlams, Leonardo's Bride, Horsehead, Rebecca's Empire, Mental as Anything, Noiseworks, James Reyne, Boom Crash Opera, Richard Franklin, and Motorace.

International tours include four to North America with Mr. Brown (14), and one tour to New Zealand with Strumpet.