PROBLEM TO BE SOLVED: To provide a tableware detergent that prevents stains from remaining on sponge after used for washing tableware, and suppresses a malodor from occurring.SOLUTION: A tableware detergent contains the following (A) component and (B) component, with the mass ratio represented by (A) component/(B) component being 5-250. (A) component: a surfactant containing the following (a1) component and (a2) component. (a1) component: an anion surfactant. (a2) component: at least one selected from the group consisting of an ampholytic surfactant and a semipolar surfactant. (B) component: diclosan.SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT【課題】食器等の洗浄に使用した後のスポンジに汚れが残りにくく、かつ、悪臭の発生を抑制できる食器用洗浄剤の提供。【解決手段】本発明の食器用洗浄剤は、下記(A)成分及び(B)成分を含有し、(A)成分/(B)成分で表される質量比が5~250である。 (A)成分:下記(a1)成分及び(a2)成分を含む界面活性剤。 (a1)成分:アニオン界面活性剤。 (a2)成分:両性界面活性剤及び半極性界面活性剤からなる群より選ばれる少なくとも1種。 (B)成分:ダイクロサン。【選択図】なし