Background: Oral cancer is the 6th most common cancer in the world. It is more common in developing Abstract countries as compared to developed countries. The present study was conducted with the aim to establish the Prevalence of oral cancer amongst tobacco users in Lucknow district. Materials and methods: The present cross sectional study was conducted in Department of Public Health Dentistry, King George's Medical University, Lucknow,U.P., during a period of 8 months i.e. form August 2016 to March 2017. In this study individuals aged between 20-60 years, consuming tobacco in any form were included in the study. Complete history, frequency of tobacco consumption, type of tobacco consumption, age, education level and years of tobacco consumption were noted in a predesigned and pretested proforma. Data was analysed using SPSS software. Results: Majority of the subjects belonged to 20-30 years of age. There were 115 subjects who belonged to this age group. Out of 250 subjects, 69 subjects had the habit of consuming tobacco in either smoked or smokeless form. There were 20.3% of the tobacco consumers who had features of dysplasia. Conclusion: In our study, oral cancer was seen amongst 20.3% of the tobacco consumers. Tobacco consumption is increasing at a rapid rate despite of various awareness programmes by the government. Keywords : Dysplasia, Incidence, Oral cancer, Tobacco