John Valder

{{Short description|Australian politician}}

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{{Use Australian English|date=November 2016}}

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John Valder (21 September 1931 – 9 May 2017) was an Australian politician who was president of the federal Liberal Party of Australia and chairman of the Australian Stock Exchange.{{cite web|url=http://www.smh.com.au/comment/obituaries/john-valder-journalist-and-politician-whose-principles-were-honesty-and-fair-play-20170518-gw7uxq.html|title=John Valder, journalist and politician whose principles were honesty and fair play|date=7 June 2017|accessdate=8 June 2017|work=The Sydney Morning Herald}}

Valder was a founding member of the 'Not happy, John!' campaign.