The relationship between shyness and self‐esteem was assessed for two samples of children aged 9 to 12 years. Shyness was measured by a new self‐report questionnaire based on an elicitation of children's conceptions of shyness. Shyness was significantly correlated with measures of global self‐esteem, with external locus of control and with perceived competence across different domains of the self. The relationships among variables were similar to those reported for adolescents and adults. Girls were more shy than boys, and there was a suggestion that 11‐year‐old children were more shy in secondary than in prima