Bert Metz (born 15 August 1945) is a Dutch climate policy expert.
In 1992 he became deputy director for Air and Energy of the Netherlands Ministry of Housing, Spatial Planning and Environment, with responsibility for climate policy.
He led the Netherlands delegation to the negotiations on the Kyoto Protocol to the Climate Convention.
In 1997, he moved to the Netherlands Environmental Assessment Agency at RIVM to head the group on climate change and global sustainability and was elected as co-chairman of the Working Group on Climate Change Mitigation of the IPCC for the preparation of the Third Assessment Report.
Although formally retired, Bert Metz is still very active in the climate policy arena, among others as advisor for the European Climate Foundation and as steering group member of UNEP's annual Emissions Gap Report.