Nutrition has become increasingly recognized as the fundamental pillar of social and economic development. Reducing malnutrition in infants and young children is essential to achieving the Millennium Development Goals (MDGs). This study aimed to identify the prevalence of malnutrition for children under five in Karbala city. This is a descriptive, cross-sectional study conducted at 13 primary health care centers with a non-randomly selected (convenient) sample in Karbala city. Data were collected during the period starting (December 2019-March 2020). Approximately 55.6% of the children were low in socioeconomic status level, 87.1% fully immunized, and 62% breastfeeding. Also, more than 88% of children had no fever, diarrhea, and respiratory tract infection. A high percentage (92.3%) of the children was normal for weight by age, as well as 79.4% of the studied sample was normal for height by age. While only 51.3% of children were normal for weight by height, and 5% of children were wasted and obese respectively. To conclude, the study concluded that nearly half of the studied sample was malnourished.