Background: bronchial asthma is a long-standing disease which results from airway inflammation and hyper responsiveness. Methodology: this is a crosssectional study which was conducted in Riyadh, Saudi Arabia. It included 175 participants, using a convenient sampling technique. A Self-administered, precoded, and pre-tested questionnaire was used. The collected data was reviewed and statistically analyzed by using SPSS version 23 and P=Value of 0.05 or less is considered significant. Results: 66.3% of participants were females, and majority of the participants were in the age group of 18-30. 58.3% of participants had a moderate level of awareness regarding bronchial asthma.It also showed that 46.3% had moderate levels and 44.6% had high-level regarding triggering factors. 60% and 54.3% had high levels regarding complications and symptoms respectively. Only 21.7% of respondents were asthmatic. Conclusion: most of the responses showed moderate level of awareness regarding bronchial asthma. There was a significant statistical relationship between gender and the level of awareness regarding complications of bronchial asthma, and the relation between male and female regarding symptoms of bronchial asthma.