The study aims to investigate the interference of mother tongue in English pronunciation of Pothohari speakers. The distinctive features of English pronunciation of Pakistani Pothohari speakers were analyzed keeping in view the selected vowels, diphthongs and /r/ sound. A set of nine phonemes, diphthongs ɪə, ɑɪ, eɪ, əʊ, ɔɪ, vowels ɒ, ɜː, æ and /r/ phoneme were studied. The study is rooted in distinctive features theory. Twenty native Pothohari speakers participated in it. A list of eighteen sentences with the target sounds was used for data collection. The utterances of participants were recorded and analyzed to meet the objectives of the study. Both quantitative and qualitative approaches were utilized to analyze the recorded data. Received Pronunciation (RP) was used as model to determine the differences. The findings identified certain distinctive features in English pronunciation of Pothohari speakers marked by the influence of the mother tongue.