Isaac Witkin (Johannesburg, 10. maj 1936 - Pemberton, New Jersey, 23. april 2006) bio je južnoafrički kipar poznat jarko obojanim skulpturama. Početkom 1960-ih je postao dio tzv. Nove generacije britanskih kipara.

“Isaac Witkin Obituary”, Times Online; “Isaac Witkin”, Grounds for Sculpture Website, isaacwitkin.com

• Isaacwitkin.com Artist’s Website Arhivirano 2008-08-20 na Wayback Machine-u
• Isaac Witkin Obituary at The Times Online Arhivirano 2011-06-04 na Archive.is-u
• Isaac Witkins works in the permanent collection of the Grounds for Sculpture Arhivirano 2008-10-08 na Wayback Machine-u
• Isaac Witkins works in the permanent collection of the Smithsonian American Art Museum website Arhivirano 2006-02-26 na Wayback Machine-u
• Tate, London, the National Gallery of British Art Arhivirano 2012-02-03 na Wayback Machine-u
• work of Isaac Witkin at the Hayward Gallery, London, England Arhivirano 2018-11-15 na Wayback Machine-u
• "Sculpture by Isaac Witkin" PBS documentary on Internet Movie Database