Malignant lymphoma of the oral cavity is rare (2-3%). The gingival vestibule and Waldeyer’s ring seem to be the most frequent sites of occurrence whereas the lingual and buccal mucosa is rarely involved. We here present a case of B- cell lymphoma in a 55 year old male who presented with a mass lesion primarily involving the tongue. Although lymphoma of tongue is very uncommon, it should always be considered in differential diagnosis of various benign and malignant lesions in this region. A proper clinical evaluation, histopathologic as well as immune histochemical evaluation of biopsy specimen may aid in the diagnosis and thus, help in proper management.