To provide a tableware washing implement suitable for washing tableware after putting very sticky food such as fermented soybeans or grated yam.

This tableware washing implement 10 has a core material 11 formed of a water absorptive material such as sponge, and a synthetic resin sheet 12 stuck to the periphery of the core material 11 and formed with one or more corrugations 12a. The tableware after putting fermented soybeans or the like is soaked in water, and slime is rubbed with the corrugations 12a of the synthetic resin sheet 12 of the tableware washing implement 10. The slime is thereby taken off easily from the tableware and washed away clean.