Anthony D. Williams (born 1974) is a Canadian business consultant and author.
Williams has co-authored Wikinomics: How Mass Collaboration Changes Everything (2006), and Macrowikinomics: New Solutions for a Connected Planet (2010).
In 2012, Williams is the president and co-founder of the Canadian think tank The Centre for Digital Entrepreneurship and Economic Performance (DEEP Centre).
He studied at the London School of Economics, graduating with a Master's degree in research in political science.