The recent outbreak of the novel coronavirus 2019 (Covid-19) spread rapidly throughout several countries around the worldand has posed enormous health challenges. Symptom of Covid-19 are non-specific and the disease presentation can range from no symptoms (asymptomatic) to severe pneumonia and death. The most commonly reported oral manifestations in the literature are ulcer, erosion, bulla, vesicle, pustule, fissured or depapillated tongue, macule, papule, plaque, pigmentation, halitosis, among others. The professionals must be prepared to recognize theoral manifestations of the disease to promote the most adequate treatment. This study presents 5 cases of oral manifestations in patients diagnosed with Covid-19. The patients presented ulcerations, vesiculopapular lesions, papillary lesions, lingual erythesa, keratose-like lesions and white plaque. Lips, tongue, labial mucosa, palate and gum were affected. If this hypothesis is proven, when health professionals observe these oral manifestations, they could refer these patients to be tested and perform the appropriate treatment.