In Indonesia, mixed marriages that occur can take two forms, namely, Indonesian Citizen Women (hereinafter referred to as WNI) with Male Foreign Citizens (hereinafter referred to as WNA) and Indonesian Men with Foreign Women It is this nationality difference factor that makes a difference between mixed marriages and marriages that are internal in nature. There are several problems in mixed marriages from different countries, one of which is related to the status of the child. For this reason, there is a need for a juridical review regarding the status of children in mixed marriages in Indonesia. The purpose of this study was to determine the status of children in mixed marriages as well as legal protection for children in mixed marriages based on Law No. 1 of 1974 and Law 12 2006 concerning Citizenship of the Republic of Indonesia. The research method used was the normative juridical approach with the data used derived from primary and secondary data. And the type of approach used is the statutory approach derived from legislation and regulations as well as case approaches related to case studies. Based on existing data and the approach taken, conclusions will be drawn using descriptive analysis methods. The data analysis used is a qualitative approach to primary data and secondary data, descriptive, including the content and structure of positive law, which is an activity carried out by the author to determine the content or meaning of legal rules that are used as references in solving legal problems that are the object of study. So that you can find the content, meaning, and applicable legal rules.