Schedule 4

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 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 4 of the Crown Minerals Act 1991 in New Zealand