This study aimed to assess the knowledge, attitudes, and practices (KAP) of the Malaysian public regarding COVID-19. A cross-sectional online survey of 4,850 Malaysian residents was conducted between 27th March and 3rd April 2020. The survey included questions on demographics, knowledge about the virus, attitudes towards it, and practices related to prevention. The overall correct rate of the knowledge questionnaire was 80.5%, indicating a generally acceptable level of knowledge. Most participants held positive attitudes towards the successful control of the virus, the ability of Malaysia to conquer it, and the government's handling of the crisis. Participants were also taking precautions such as avoiding crowds and practicing proper hand hygiene. However, the wearing of face masks was less common, with only 51.2% of participants reporting that they wore masks when leaving home. The study highlights the importance of consistent messaging from health authorities and the need for tailored health education programs to improve knowledge, attitudes, and practices. The results suggest that while Malaysians generally have a good understanding of the virus and are positive about overcoming the pandemic, there is a need for targeted health education to address gaps in knowledge and practices, particularly among certain demographic groups. The study also points to the challenges posed by misinformation and the need for effective communication strategies to combat it.This study aimed to assess the knowledge, attitudes, and practices (KAP) of the Malaysian public regarding COVID-19. A cross-sectional online survey of 4,850 Malaysian residents was conducted between 27th March and 3rd April 2020. The survey included questions on demographics, knowledge about the virus, attitudes towards it, and practices related to prevention. The overall correct rate of the knowledge questionnaire was 80.5%, indicating a generally acceptable level of knowledge. Most participants held positive attitudes towards the successful control of the virus, the ability of Malaysia to conquer it, and the government's handling of the crisis. Participants were also taking precautions such as avoiding crowds and practicing proper hand hygiene. However, the wearing of face masks was less common, with only 51.2% of participants reporting that they wore masks when leaving home. The study highlights the importance of consistent messaging from health authorities and the need for tailored health education programs to improve knowledge, attitudes, and practices. The results suggest that while Malaysians generally have a good understanding of the virus and are positive about overcoming the pandemic, there is a need for targeted health education to address gaps in knowledge and practices, particularly among certain demographic groups. The study also points to the challenges posed by misinformation and the need for effective communication strategies to combat it.