Samuel Hewlings Chisholm AO (8 October 1939 – 9 July 2018) was a New Zealand-born Australian media executive who was a significant figure in the Australian media.
He ran Kerry Packer's Nine Network for a significant period during the 1980s before moving to the UK to work for Packer's rival Rupert Murdoch in rescuing the newly established BSkyB from financial problems after the merger of Sky and British Satellite Broadcasting.
In 2005, he returned to Australia as acting chief executive of Packer's Nine Network after having received a double lung transplant.