The child-restraining harness and bib is a safety device. The child-restraining harness and bib is further configured for use with a person selected from the group consisting of an infant and a toddler. The child-restraining harness and bib is configured for use with a chair. The child-restraining harness and bib secures the person to the chair. The child-restraining harness and bib comprises the body harness and the bib. The body harness attaches the person to the chair. The bib stores the body harness when the body harness is not in use. The bib is worn by the person to protect the clothing worn by the person when the body harness is in use.