- Stunting is a short stature in toddlers which reflects a process of failure to achieve linear growth potential which is still a severe nutritional status problem in Indonesia. The stunting rate in East Lombok Regency (43.52%) in 2018 was higher than the stunting rate of NTB Province (33.5%) and National (30.8%). This study aims to determine the dominant factor in Stunting Incidence in Toddlers (0 – 59 Months) in East Lombok Regency. This quantitative study used a cross-sectional design and utilized secondary data from Riskesdas (Baseline Health Research) 2018 with a total sample of 283 aged 0 – 59 months. Data were analyzed using the chi-square test and multiple logistic regression. The results of this study showed that there were 43.1% of children under five were stunted. The results of the bivariate analysis stated that there was a significant relationship between the birth weight of toddlers, height, and mother's last education, but there was no positive correlation between stunting and gender, bowel habits, history of diarrhea, history of ARI, basic immunization, vitamin A consumption, work status mother, father's smoking habit, number of household members, number of children under five, BMI, ownership of MCH book, ANC, exclusive breastfeeding, area of residence, and access time to the Puskesmas (public health center). The dominant factor for stunting in toddlers (0 – 59 months) in East Lombok Regency, namely birth weight (OR = 3,206). The conclusion of this study is that toddlers who have a birth weight of <3000 grams have a risk of 3,206 times of experiencing stunting.

Keywords : Stunting, Birth Weight, Toddlers, East Lombok.