Fibrous hamartoma of infancy is an uncommon, self-limiting benign tumor that presents during the first two years of life, developing from subcutaneous fibrous tissue proliferation at almost any site. A male child aged eight months was accepted at our clinic because of painless mass at left axilla since two months. This mass was histopathologically described as fibrous hamartoma of infancy and is presented because of its rare appearance. Anahtar Kelimeler : İnfantil fibröz hamartom, yumuşak doku tümörü,fibrous hamartoma of infancy, soft tissue tumor.