ABSTRACT Purpose:This study was aimed to analyze the correlation of food security status and household food expenditure to nutritional status on pregnant women. Research Methodology:This study was an observational study with crossectional design, conducted in PuskesmasWonosobo, Lampung Province, Indonesia on May 2020 - Augustus 2020. All of pregnant women who get Antenatal Care (ANC) on Puskesmas were carried out as samples. Food security status and household food expenditure data were measure by anamnesis and questionnaire. Nutritional status was asses by mid-upper arm circumference (MUAC) of pregnant women. Data was collected and then analyzed using SPSS 21 application. Results:A total of 53 pregnant women, with age distribution on range of <18 years &>35 years (20 women) and 20-35 years (33 women) were analyzed in this study. Statistical analysis (Chi-Square) show the pregnant womens in malnutrition status with food insecurity were 3 women (75%) while pregnant women in good nutrition status with food insecurity only 3 women (6.1%) (p = 0.003). Correlation between house hold expenditure to nutritional status was analyzed by chi-square test, the result show all of pregnant women in malnutrition status (4 women) have lower house hold expenditure (p = 0.001). Conclusion:This study clearly shows that more food security and level of household food expenditure will affect on nutritional status of pregnant women.