Lichen planus (LP) is an autoimmune mucocutatenous disorder. Orally, the most commonly involved sites are buccal mucosa, tongue, and gingiva. About 10% of the patients with oral LP have lesions confined to the gingiva. The purpose of this article is to report a case of atrophic LP of gingiva in 30-year-old female patient with a chief complaint of burning sensation in the oral cavity from the past 1 year. Histopathological examination was carried out to confirm the diagnosis. The patient was treated with topical corticosteroids using occlusal tray following which the lesions and symptoms of burning sensation in the mouth are resolved. Thus, this case report highlights the correct diagnosis and the treatment plan and timely management of such cases.