INTRODUCTION: Rhinosporidiosis is a chronic infective disorder that is caused by Rhinosporidium seeberi. It usually presents with a soft polypoidal pedunculated or sessile mass arising from the nasal cavity. Nasal cavity and nasopharynx are the more common sites, followed by conjunctiva, maxillary sinuses and larynx. AIM: The aim of this study is to determine the age-sex distribution of rhinosporidiosis and evaluation of blood group that is commonly seen with rhinosporidiosis in a large group of study. MATERIALS AND METHODS: A cross sectional study of 100 patients was conducted in the outpatient department of ENT, Vinayaka mission medical college, Karaikal for a period of 2 years from August 2012-August 2014. During the study period, all cases that were diagnosed as rhinosporidiosis by histopathology were included in the study group. RESULT: Majority of patients in our study were young adults with a male preponderance. It showed an association with O blood group type. The common sites involved were the nasal cavity and nasopharynx followed by conjunctiva and larynx. CONCLUSION: Rhinosporidiosis is a disease with high degree of recurrence which requires careful assessment with panendoscopy, early detection and treatment. Careful follow up is very essential.