Abstract: Background: Colorectal cancer ranked the second cancers in the Kingdom of Sa all newly diagnosed cancers in 2010. There are several risk factors affecting the incidence of influence the risk more than others. Colorectal cancer is easily preventable through screenin early stages and improve survival rates. Aim: We aimed to determine the level of knowledg cancer and its risk factors among mall adult visitors in Riyadh, Saudi Arabia. Methods: Acro five randomly selected malls (120 from each mall were randomly recruited), using a modi standard deviations, frequencies, percentages were calculated for the differences in the le participants. Results: The response rate was 70% (55% were females and 45% were m participants identified cigarette smoking, family history of colorectal cancer and inflammat the disease. In addition, the majority of responses reported that screening tools are useful control. Conclusion: Implementation of awareness programs is needed to establish a stro centers and educational institutions to increase the level of awareness of colorectal cancer.