Pregnant women are one of the groups most vulnerable to nutritional problems such as anemia. Anemia is an abnormality in the number of erythrocytes that carry oxygen into the body and are insufficient to meet the organism's needs. This study aims to determine the effect of spinach consumption on the incidence of anemia in pregnant women. This type of research is a Quasi Experiment using the One Group Pretest Posttest design, which was carried out at the Lamongan Health Center on July 01 - August 30, 2022. The population in this study was pregnant women who had their pregnancy checked from July 01 - August 30, 2022, as many as 186 people. The sampling technique is non-probability sampling using purposive sampling. Data analysis using univariate and bivariate analysis. Bivariate analysis was performed with the normality test using the Shapiro-Wilk test and statistical tests using the paired T-test. The results of this study obtained paired T-test Sig (2- tailed) 0.000. The p-value is 0.000 < 0.05, so it can be concluded that spinach consumption has a significant effect on the incidence of anemia in pregnant women.