Paul Twomey (born 18 July 1961) is the Chief Executive Officer and President of the Internet Corporation for Assigned Names and Numbers (ICANN). ICANN is the chief rule-making body for internet policy worldwide.

Following a private-sector role as a consultant for McKinsey & Company, Dr. Twomey held executive positions within the Australian Government's foreign trade organisation Austrade. His role there included working on strategic development and European markets.

He was appointed Chief Executive Officer of the National Office for the Information Economy (NOIE) in 1997. As a government unit responsible for developing Australian Government IT policy, it was during this time he began his involvement with ICANN. Though this role he became chair of the influential ICANN Government Advisory Committee which served as the organisation's liaison with world governments.