Amoebic and giardia infections are one of the major public health problems in manyrncountries including Ethiopia. They are more common in children due to poor personalrnhygiene and lack of awareness. The objective of the present study was to identifyrnintestinal protozoan parasite species and to determine their prevalence among patientsrnvisiting Lideta health center, Addis Ababa, Ethiopia. The design of the study was a crosssectionalrnparasitological survey involving examination of fresh stool drawn from patientsrnvisiting the health center, during September 2017- May 2018. Data were gathered byrnmeans of questionnaire survey and laboratory parasitological examination procedures.rnThe stool samples were examined using direct wet-mount and formol-ether concentrationrnmethods. From the total of 240 study participants, 122(50.8%) were males andrn118(49.2%) females. In the study 27(22.1%), 17(13.9%) males and 23(19.5%),rn20(16.6%) females were positive for Entamoeba histolytica /dispar/ moshkoviskii andrnGiardia lamblia respectively. The overall prevalence of amoebic and giardia infectionsrnwas 36.3 %. The prevalence of amoebic and giardia infections was significantly associatedrnwith some risk factors such as habit of eating uncooked vegetables and unwashed fruits (p=rn0.014), unhygienic toilet (p= 0.042), hand washing before meal or after toilet (p= 0.001)rnand cleanliness of kitchen utensils (p= 0.017). In general, the study revealed that IPIsrnrepresented a major public health problem in terms of morbidity and economicrnconsequences. It is therefore recommended to local (woreda) health sector and anyrnconcerned bodies that systematic, integrated and community-participatory IPIs,rnprevention and control programs need to be implemented in the study area.