Colin Barry Wagman (born 14 May 1946) is a British businessman and is active in relation to Zionist causes.
He was a Senior Partner of Casson Beckman, a firm of Chartered Accountants until 1991, which has since merged with Baker Tilly. He serves as Deputy Chairman of Delancey Estates PLC and Delancey Real Estate Asset Management Limited. Prior to Delancey, Wagman was an advisor to The British Land Company Plc and other companies. He has been Non-Executive Director of Colliers CRE plc since September 4, 2001. He serves as Non-Executive Director of GET Group PLC.
Wagman was appointed Non-Executive Director on the Board of Minerva in August 2011. Wagman was 'instrumental in structuring and implementing the strategy for the acquisition of Jamie Ritblat's Freehold Portfolios and the simultaneous placing involving George Soros.'
In 2006 Wagman was the company secretary of International Media Intelligence Analysis, an e-newsletter promoting military confrontation with Iran.  Along with Stephen Rubin he reportedly proposed toasts to the Queen and the state of Israel at a champagne reception in April 2008, organised by the Jewish National Fund and the United Jewish Israel Appeal and attended by the Earl of Wessex. 
As a trustee of the Sir John Ritblat Family Foundation Wagman has overseen donations to neoconservative and pro-Israel/zionist organisations including some responsible for promoting hostility to Iran. Recipients between 2005 and 2012 include:
- Colliers Int - General - UK, Colliers directors Sir John Ritblat and Colin Wagman resign, Propertymail.com Date: 30 Mar 2012
- Minerva Board of Directors. Accessed 7 November 2014.
- International Media Intelligence Analysis Ltd Annual Returns made up to 5 August 2006. Filed at Companies House on 25 September 2006
- Rachel Fletcher, 'Royal party rather too exclusive for some', The Jewish Chronicle, 11 April 2008
- Coompiled from data available at the Charity Commission.
- Data from the Charity Commission website http://www.charitycommission.gov.uk/find-charities/