This study include the examination of 235 fecal samples 125 from domesticated ducks and 110 from domesticated geese from different localities in Nenevah governorate through the period from September 2009 to March, 2010 the Samples were stained by iodine stain and Giemsa stain and flotation method. The total percent of infection with Giardia cyst was 34.4%, 36.4% in duck and geese respectively. The study revealed presence of Giardia in diarrhetic and non diarrhetic fecal sample of ducks and geese. Higher rate was in diarrhetic ducks and geese of age less than 5 months 41.8%, 44.4% and this rate decreased with aging. The results showed the higher infection rate in rural area which was 38.5% in duck and 40.7% in geese compared to urban area 30%, 31.4% in ducks and geese respectively. Higher rate was recorded in December in ducks were 53.5% while the higher infection in March in geese were 44.4% and lowest rate of infection in September for both ducks and geese, this is the first study of Giardia spp, in ducks and geese in Nineveh governorate.