|Preceded by||Ian Deans|
|Succeeded by||Gordon Dean|
|Born||1953 (age 63–64)
New Malden, Surrey, England
|Political party||New Democrat|
|Profession||Environmental consultant, journalist|
Colin Francis Weeber Isaacs (born 1953) is a former politician in Ontario, Canada. He was a New Democratic Party member in the Legislative Assembly of Ontario representing the riding of Wentworth from 1979 to 1981. He works as an environmental consultant and journalist and publishes the Gallon Newsletter.
He ran for the provincial legislature in a by-election for the riding of Wentworth held on April 5, 1979. He won the contest defeating Progressive Conservative candidate Gordon Dean by 543 votes. Two years later, he was defeated by Dean by 260 votes in the 1981 provincial election.
He was a director of the Recycling Council of Ontario and executive director for the Pollution Probe Foundation. Isaacs was environmental columnist for the Financial Post from 1990 to 1994. He publishes and edits the Gallon Environment Letter, an electronic newsletter addressing environmental issues.
- "Scarborough West, Wentworth held by NDP's Johnston, Isaacs". The Globe and Mail. April 6, 1979. p. 1.
- Canadian Press (March 20, 1981). "Election results for Metro Toronto". The Windsor Star. Windsor, Ontario. p. 22. Retrieved 2014-04-01.