Chemical sensors are indispensable components of smart waste management systems, offering real-time monitoring and analysis of various parameters critical for efficient waste handling. Advanced chemical sensors are revolutionizing smart waste management by offering enhanced capabilities for monitoring and analysing waste parameters. These sensors utilize cutting-edge technologies such as nanomaterials, microfluidics, Internet of things (IoT), and artificial intelligence (AI) algorithms to provide highly sensitive and selective detection of gases, liquids, and solids within waste streams. They can detect even trace amounts of hazardous substances, enabling early intervention to prevent environmental contamination. Moreover, advanced sensors offer smart waste management systems. By leveraging the capabilities of advanced chemical sensors, waste management authorities can optimize resource utilization, minimize environmental impact, and move towards more sustainable waste management practices.