Algae are photosynthetic organisms that occur in most habitats, ranging from marine and freshwater to desert sands and from hot boiling springs to snow and ice. The term algae refer to a large and diverse assemblage of eukaryotic organisms that contain chlorophyll. They are classified into eight divisions, namely Cyanophyta, Chlorophyta, Euglenophyta, Xanthophyta, Bacillariophyta, Pyrrophyta, Phaeophyta and Rhodophyta. This study emphasized only on the Chlorophyta. Algae specimens were collected from Taung-tha-man Lake which is located at the East of Amarapura Township, Mandalay Division. 18 genera of Chlorophyceae have been identified and described in this paper. All specimens were described with colourful photographic records