Plasma Cell Granuloma (PCG) is an uncommon tumor that's usually located in the lung.In rare events, it can occur in the oral cavity.However, the gingiva is the least common site.Here, we present a rare case of a 57-year-old man with a gingival mass.It had been growing for a year and measured 1 cm.His medical history includes hypertension and kidney transplant.The patient was on nifedipine and tacrolimus.The tumor was treated by excision and requested pathological evaluation.The lesion displayed heavy plasma cell infiltration in the sub-epithelium.The diagnosis was confirmed through immunostains.Eventually, gingival PCG was reported.