Environment Act may refer to:
New Zealand Environment Act 1986 in New Zealand
United Kingdom Environment Act 1995 (c. 25) Environment (Air Quality and Soundscapes) (Wales) Act 2024 (asc 2) Environment (Wales) Act 2016 (anaw 3) Environment Act 2021 (c. 30)
See also Department of the Environment Act (Canada) Environment Effects Act 1978 in the Australian state of Victoria Environmental Protection Act (disambiguation) Environment (biophysical)