The survey of avifauna diversity in the Buriganga river was carried out between December 2012 and November 2013. Direct observations were made to watch the birds using binocular in the river by boat. A total of 38 species of birds belonging to 21 families 8 orders in the river baseline were recorded from Amin Bazar Bridge (90°20´12 '' E and 23°46´25 '' N) to China Bangladesh friendship Bridge (90°26´12 '' E and 23°40´25 '' N) which is almost 18 km long. Of the total birds, 7 birds were migratory, 8 aquatic birds in the River area. Among the birds, 16 (42%) species passeriformes and 22 (58%) were non-passeriformes from the taxonomic view point of avifauna. Species diversity was significantly more in site B than that recorded in site A and C due to human intervention. Due to its unique and diversified habitats, Baseline area of Buriganga river may be considered as a potential conservation site in terms of avifauna diversity.