Background: Adequate iodine intake during pregnancy is vital for the mother and the fetus, iodine is an essential micronutrient that is required for thyroid hormone production. This study aimed to assess pregnant women's awareness and attitude towards importance of iodine intake during pregnancy at Benha university hospital. Design: A descriptive Study design was utilized to conduct this study. Setting: The study was conducted at obstetrics and gynecological outpatient clinic affiliated to Benha University Hospital. Sample: A convenient sample used in the study, it included 143 pregnant women. Size of sample: all pregnant women attended at antenatal clinic for three months at time of data collection. Tools: The tools of data collection were: I .A structured interviewing questionnaire sheet and II. Likert scale to assess pregnant women's attitude toward importance of iodine intake during Pregnancy. Results: less than three quarters of the studied pregnant women had inadequate awareness about importance of iodine intake. Most of the studied pregnant women had negative attitude about importance of iodine intake. There was highly statistically significance relation between total awareness score and total attitude score of the studied pregnant women with educational level as well as occupation. Moreover there was a highly Positive statistically significant correlation between total awareness and total attitude among studied pregnant women regarding importance of iodine intake. Conclusion: Most of the studied pregnant women had poor awareness and negative attitude regarding iodine intake during pregnancy. Also there was a highly Positive statistically significant correlation between total awareness and total attitude among studied pregnant women regarding importance of iodine intake during pregnancy. Recommendation: Implementation of guidelines for modification of life style of pregnant women regarding dietary iodine intake.