Lejoni Gaon is a village in Tengakhat tehsil in district of Dibrugarh, Assam, India. As per the data provided by Census of India in 2011, total population of Lejoni Gaon was 256 which includes 133 males and 123 females. Lejoni Gaon covers 85 ha area. Pincode of Lejoni Gaon is 786103.