The aim of this research is to analyze the impact of parent satisfaction on Children's online learning for Primary Education during the COVID-19 Pandemic. Independent variables are Child competency, Technical Problems, Duration of online learning, and several assignments. The research method is a quantitative approach with Primary data analysis using Google form. The population in this study was the parents of the Primary school students who are following the Bachelor of Education (Hons) in Primary Education at the Open University of Sri Lanka using a simple random sampling method. Respondents of 102 data analyses were done through descriptive statistics, Pearson Correlation, and Regression and were analyzed using SPSS. By using a structured questionnaire with five Likert scales from strongly disagree to strongly agree measured independent and dependent variables. The results of this study are independent variables had a significant impact on parents' satisfaction with online learning. But Technical Problem was not significant in parents' satisfaction with online learning. The moderation effect explains the association between the following three factors; the number of online assignments, the duration of online learning, and parents' satisfaction. According to the Child competency, Parents were more satisfied with their children's online learning. Researchers may use this article as literature or supplementary material for future research.