Schedule 1 may refer to:
List of Schedule 1 substances (CWC) First Schedule of the Constitution of India, defining the states and union territories of India Schedule 1 - CD Lic within the UK Misuse of Drugs Act 1971 Schedule I Controlled Substances within the US Controlled Substances Act Schedule I Controlled Drugs and Substances within the Canadian Controlled Drugs and Substances Act Schedule I Psychotropic Substances within the Thai Psychotropic Substances Act Schedule I Narcotic Drugs and Psychotropic Substances within the Estonian Narcotic Drugs and Psychotropic Substances Act Schedule I of the Indian Narcotic Drugs and Psychotropic Substances Act, listing psychotropic substances Schedule I Psychotropic Substances within the U.N. Convention on Psychotropic Substances Schedule I within the UN Single Convention on Narcotic Drugs Schedule I Banks within the Canada Bank Act Schedule 1 to the National Health Service (General Medical Services Contracts) (Prescription of Drugs etc.) Regulations 2004, the NHS treatments blacklist Schedule I, a 2025 video game centering on drug trafficking
See also Schedule 2 (disambiguation) Schedule 3 (disambiguation) Schedule 4 (disambiguation) Schedule 5 (disambiguation)