Cancer is widely considered as one of the most stigmatized diseases globally, despite scientific advances in the medicine. While most existing literatures focuses on cancer stigma as perceived by patients, there has been limited research on stigma towards cancer among the non-cancer population. In 2014, Marlow et al developed and validated the "Cancer Stigma Scale" (CASS) specifically for the non-Cancer population. This study aims to quantitatively evaluate cancer stigma within the non-patient population in Oman. This is a cross-sectional study conducted in Oman. The Cancer Stigma Scale (CASS) has been used to evaluate the cancer-related stigma among the non-cancer patient population in Oman. A total of 510 participants completed the survey of whom 57.6% were male. The personal responsibility section had the highest mean score, followed by the avoidance and financial discrimination. The lowest mean scores were observed in the danger and policy opposition sections. Female participants showed ore disagreement with cancer stigma statements compared to males. Participants who knew someone with cancer expressed more disagreement with stigma statements than those who did not know anyone with cancer. This study provides a baseline measurement of cancer-related stigma among non-cancer patients in Oman, tilizing the CASS in a representative sample of the population. The results indicate generally low levels of stigma, though certain aspects are more pronounced, varying according to the participants' gender, age, and personal connections to someone with cancer.