Gregor Angus Bethune Robertson (born September 18, 1964) is a Canadian entrepreneur and politician, who served as the 39th mayor of Vancouver, British Columbia, from 2008 to 2018.
As mayor, Robertson oversaw the creation and implementation of the Greenest City 2020 Action Plan and spearheaded the creation of the city's first comprehensive Economic Action Strategy.
Robertson was elected to the position of mayor of Vancouver as part of the Vision Vancouver slate.
Prior to that, he served as a Member of the Legislative Assembly for Vancouver-Fairview, as a member of the New Democratic Party of British Columbia, from 2005 until his resignation in 2008 to run for the mayoral position.
On January 10, 2018, Robertson announced in a Facebook post that he would not seek reelection later that year.