Introduction: Tuberculosis is the commonest cause of death among HIV patients in Nigeria. Though tuberculosis is common among HIV patients, their knowledge about transmission and prevention is poor. Objective: To determine knowledge, attitude and preventive practices regarding tuberculosis and its predictors among HIV patients receiving treatment. Methods: A cross sectional study was carried out involving 226 randomly selected HIV patients receiving care at General Hospital, Minna. Study duration was from June 2015 to July 2017. Data on socio-demographic characteristics, psychosocial factors, knowledge, attitude and preventive practices regarding tuberculosis was collected using a self-administered, WHO modified, pretested and validated questionnaires. Data collected was analysed using SPSS version 22. Results: Out of 226 respondents, 60(26.5%) had poor knowledge, 123(54.4%) had negative attitude and 48(21.2%) had poor preventive practices regarding tuberculosis. The predictors of knowledge were age (B=0.087, 95%CI=0.031, 0.143, p=0.002), depression (B=-0.444, 95%CI=-0.673,-0.214, p