This is a list of notable events relating to the environment in 1969. They relate to environmental law, conservation, environmentalism and environmental issues.

• After several oil spills in Europe the Bonn Agreement was signed.
• The Council on Environmental Quality is established in the United States.

January

• The Santa Barbara oil spill occurred near Santa Barbara in Southern California in the United States.

June

• One of the many fires on the Cuyahoga River in Ohio spurs a number of environmental protection measures in the United States.

October

• Amendments to enhance the International Convention for the Prevention of Pollution of the Sea by Oil (OILPOL) were signed in London, 21 October 1969

December

• The Endangered Species Act of 1969 is enacted in the United States

• Human impact on the environment
• List of environmental issues