Background: tinea versicolor is a benign, superficial fungal infection of the skin. It belongs to Malassezia-related diseases causing hyperpigmented or hypopigmented finely scaly macules. The most frequently affected sites are the trunk, neck, and proximal extremities. The most causative agents were Malassezia furfur, Malassezia globosa, Malassezia sympodialis. It is more common in warm and humid conditions. Aim: To study certain epidemiological factors of tinea versicolor disease distribution among patients attending dermatological outpatient clinic. Patients and Methods:  This descriptive study was conducted on patients suffering from tinea versicolor disease attending dermatological outpatient clinic in Tikrit Hospital from 1^st January 2023 - 30^th June 2023. The sample was a convenient sample which included all patients suffering from tinea versicolor disease (attending outpatients' clinic of dermatology in Tikrit teaching hospital. The sample size was 112 patients. The patient's demographic information and risk factor history was taken according to a suitable questionnaire which was full filled by the researcher throw direct interview with patient. The diagnosis was basically done on a clinical base by the dermatologist. Results: The tinea versicolor disease cases were with significant difference among adolescent age group (21-31 years) (59%) ,  body back (51%) followed by shoulder area (26%) with significant difference and with those with outdoor working (72%). Conclusions: Tinea versicolor disease was among adolescent age group, with patients having oily skin, sweaty and those were outdoor working with a significant difference.