This is a list of notable events relating to the environment in 1927. They relate to environmental law, conservation, environmentalism and environmental issues.

• The Indian Forest Act, 1927 is passed.
• The last known specimen of the Syrian wild ass was shot.
• The last of the European bison in the Western Caucasus were shot.

September

• The last confirmed sighting of the Australian paradise parrot was made and it is now considered to be extinct.

• Human impact on the environment
• List of environmental issues