Passive smoking, known as secondhand smoking, refers to the condition in which a person involuntarily inhales smoke from other people's cigarettes, hookahs and other tobacco substances. Aim: Is to assess women's awareness regarding exposure to passive smoking hazards at Motobis hospital. Design: A descriptive research design was utilized in this study. Sample: A purposive sample of 148 women was used. Setting: This study was conducted in gynecology outpatient clinic at Motobis hospital, Kafr-Elsheikh governorate. Tool: A structured interview questionnaire included 5 parts: Demographic characteristics of woman and husband, women's history of exposure to passive smoking, women's knowledge about passive smoking exposure hazards, women's attitude toward passive smoking exposure hazards and women's reported practices regarding exposure to passive smoking hazards. Results: 72.3% of the studied women had unsatisfactory level of total knowledge, 52.7% had negative attitude and 79.1% had inadequate level of total reported practices regarding exposure to passive smoking hazards. Conclusion: There was highly statistically significant positive correlation between total knowledge, total attitude and total reported practices regarding exposure to passive smoking hazards among the studied women. Recommendations: Health educational programs should be directed to improve women's awareness regarding hazards of exposure to passive smoking.