Introduction: Most of the women had inadequate general nutritional knowledge and their dietary intake. She did not meet the nutritional requirements during pregnancy due to poverty, ignorance, superstitious and taboos are some of the factors contribute to the poor nutritional status. The main aim of this study is to assess the level of knowledge regarding antenatal diet among pregnant women. Design: Descriptive researches were pre test only design was selected for this study. Setting: Kollapatti Village, Namakkal District. Sample size: Thirty antenatal mothers. Sampling technique: Convenient sampling technique. Data collection procedure: Data was collected with using structured interview questionnaires after obtaining permission from village officer. Results: 80% mothers had inadequate knowledge regarding antenatal diet. Conclusion: The proper information about the knowledge on antenatal diet to the antennal mothers is an essential to lead a healthy life.