Lichen planus is an autoimmune muco-cutaneous condition affecting the skin and oral mucosa. The most common oral sites involved are buccal mucosa and tongue, gingiva being confined to only 10% of the oral presentation of the lesion. The purpose of this case report is to report a case of plaque type lichen planus in a 29 year old male patient with the chief complaint of whitish gum in the upper front tooth region since last 9 months. Histopathologic examination with hematoxylin and eosin stain confirmed the diagnosis of lichen planus on gingiva. Topical application of steroids and surgical excision of the lesion are the treatments of choice for such lesion.