Schedule 4 or Schedule IV may refer to:
Fourth Schedule to the Constitution of India, providing for the number of Rajya Sabha (upper house of the Indian parliament) seats to each state Schedule 4 within the UK Misuse of Drugs Act 1971 Schedule IV Controlled Substances within the US Controlled Substances Act (List) Schedule IV Controlled Drugs and Substances within the Canadian Controlled Drugs and Substances Act Schedule IV Psychotropic Substances within the Thai Psychotropic Substances Act Schedule IV Narcotic Drugs and Psychotropic Substances within the Estonian Narcotic Drugs and Psychotropic Substances Act Schedule IV Psychotropic Substances within the U.N. Convention on Psychotropic Substances Schedule IV within the UN Single Convention on Narcotic Drugs Schedule 4 of the Crown Minerals Act 1991 in New Zealand Schedule 4 Prescription Only Medicines within the Australia Poisons Standard
See also Schedule 1 (disambiguation) Schedule 2 (disambiguation) Schedule 3 (disambiguation) Schedule 5 (disambiguation)