A study was conducted to determine the prevalence of zoonotic parasites in dogs of Katabon Pet Market 30 dogs were examined. Among them 26 dogs (86.67%) were infected with different zoonotic parasites. The effects of season, age and sex of the hosts were also observed.10 species of parasites were found and which had high prevalence were : Capillaria spp. (86.67%), Trichuris vulpis (83.33%), Toxocara canis (76.67%), Ascaris lumbricoides (76.67%) and Toxascaris leonine (50%). Female (100%) had high infection rate than male (78.95%). In female dog, Trichuris vulpis (100%), Ascaris lumbricoides and Capillaria spp. (90.90%) had high prevalence. Puppies had 100% prevalence followed by young (83.33%) and adult dogs (81.82%). Ascaris lumbricoides had highest prevalence (100%) in puppies. Dogs had highest parasitic prevalence in monsoon (90.1%) followed by in summer (85.71%) and winter (83.33%). In monsoon, Toxascaris leonine and Toxocara canis had highest prevalence 85.71%. Among two breeds, German shepherd had higher prevalence (91.67%) than German spitz (83.33%). In German shepherd, female had higher prevalence (100%) than male (77.78%). In German spitz, female had higher prevalence (100%) than male (80%). From the above result, it could be stated that dogs act as zoonotic agent which is a threat for human health. So proper control measure should be taken to avoid this threat.