The study is about food waste management at the dining restaurant in Kota Bharu, Kelantan. Nowadays, food waste has become a crucial issue in a community, especially for hospitality industries such as restaurants, hotels, and other industries. Therefore, this research aims to identify the relationship between knowledge on food waste management at the dining restaurant. Secondly, to determine the relationship between attitude on food waste management at the dining restaurant. Lastly, to identify the relationship between practice on food waste management at the dining restaurant. The quantitative method being used is questionnaires. About 384 respondents were administrated among consumers at Kota Bharu, Kelantan. The final result shown that there was a significant relationship between the knowledge, attitude, and also practice on food waste management at the dining restaurant.