Background: Stunting is a failure in growth and development experienced by children due to insufficient nutritional intake, infectious diseases over a long period of time which is characterized by length or height that is not appropriate for their age. Stunting is still a major health problem in Aceh Province because its prevalence is still high and is ranked 5th nationally. Objective: to determine the determinants of stunting in toddlers in Aceh Province. Research method: Descriptive quantitative research with a cross sectional design with a sample size of 16865 toddlers obtained from total sampling based on inclusion and exclusion criteria. The data used is 2022 SSGI data belonging to the Ministry of Health's BKPK. The independent variables in this study include Early Breastfeeding Initiation (IMD), completeness of immunization, ISPA, diarrhea, ownership of health insurance, ownership of KIA books, drinking water facilities, ownership of toilets, mother's education, gender of toddler, birth weight, number of families, and regional classification. Data analysis includes univariate and bivariate using chii square and multivariate using multiple logistic regression. Results: The prevalence of stunting in children aged 0 – 59 months is 31.7% in Aceh Province in 2022. Bivariate results are low birth weight (p=0.033). Conclusion: the high prevalence of stunting in Aceh Province in 2022 is caused by multiple and interrelated factors, both specific and sensitive. To reduce the stunting rate, preventive and promotive measures need to be taken early on.by carrying out routine check-ups during pregnancy and consuming a variety of foods. Short birth length babies need to receive growth and development monitoring, additional food and nutrition and health Information Communication and Education (KIE) interventions for mothers of toddlers.