Background. Multiethnic societies face challenges in delivering evidence-based culturally competent health care. This study compared health-related quality of life and psychological morbidity in a hospital-based sample of first-generation migrants andAustralian-bornAnglocancerpatients,controllingforpotential confounders related to migrant status. Further, it explored the relative contribution of ethnicity versus migrant-related variables. Methods. Eligible participants, recruited via 16 oncology clinics in Australia, included those over the age of 18, diagnosed with cancer (any type or stage) within the previous 12 months and having commenced treatment at least 1 month previously. Results. In total, 571 migrant patients (comprising 145 Arabic, 248 Chinese, and 178 Greek) and a control group of 274 AngloAustralian patients participated. In multiple linear regression models adjusted for age, sex, education, marital status, socioeconomic status, time since diagnosis, and type of cancer, migrants