An object of the present invention is to provide an obesity-suppressing composition that suppresses fat accumulation in adipocytes and that has an effect of suppressing body weight gain. The present invention provides an obesity-suppressing composition comprising the following components (A) and (B): (A) at least one member selected from the group consisting of oleuropein and hydroxytyrosol; (B) at least one member selected from the group consisting of sulforaphane compounds and willow extract.