Species compositions and relative abundance of waterbirds were studied in Lawkanandar Wildlife Sanctuary during February 2018 to January 2019. Line transect count method was carried out. A total of 30 species were observed. The largest number of 30 species was recorded in December 2018 and the lowest 6 species in August 2018 and the largest number of individuals was found in March 2018 and the lowest was observed in July 2018. Relative abundance indicated two species as very common, 21 species as common and seven species as uncommon. Regarding the species composition in different orders, Charadriiformes (43.33 %) showed the highest composition and the lowest was in Anseriformes and Gruiformes (6.67 % each). In this studied, the species composition and abundance of waterbirds at Lawkanandar Wildlife Sanctuary and also the number of bird species were partly recorded. Thus, this research provides the conservation of bird species for further.