This study analyzed the concept, role, operation form, and expertise of ombudsperson for children, focusing on ordinances regarding the building of child friendly cities established by local governments. As for the analysis target, of 45 local governments certified as child friendly cities, 23 local governments with ombudsperson for children ordinance or items enacted in their ordinance were analyzed. Looking at the analysis results, with regard to the concept of ombudsperson for children, the ombudsperson, children’s rights commissioner, and children’s rights ombudsperson were mostly used, and regarding the definition of the concept, the protection promotion of children’s rights, relief functions, and independent spokespersons were defined. Regarding the role of ombudsperson for children, most local governments proposed protection‐promotion of children’s rights, counseling, and policy proposals, and defined independent status. Regarding the installation type, 3 to 5 people was commissioned by the apparatus leader, and they were prescribed to work for children. Regarding the expertise of ombudsperson for children, in most governments, a child rights legal expert or a child welfare expert was appointed for a term of two years and prescribed to be reappointed once, and their treatment can be paid as an activity allowance. For suggestions according to the analysis results, first, it is necessary to unify the names and define definitions of ombudsperson for children, second, it is necessary to specify an independent authority based on the independence of ombudsperson for children, third, there should be a clear division of roles according to the installation type of ombudsperson for children, and fourth, the treatment of ombudsperson for children should be improved.