AbstrakTumor ganas ovarium menempati urutan ketiga setelah tumor ganas serviks dan tumor ganas payudara yang menyebabkan kematian di Indonesia. Penelitian ini didapatkan 143 kasus tumor ganas ovarium. Distribusi profil tumor ganas ovarium berdasarkan umur terbanyak pada kelompok umur 31-40 tahun sebanyak 45 kasus (31,46%), berdasarkan jumlah paritas yang terbanyak adalah pada kelompok paritas 1-3 sebanyak 77 kasus (66,37%), berdasarkan status perkawinan yang terbanyak ditemukan pada perempuan yang sudah menikah sebanyak 116 kasus (81,11%), berdasarkan sel asal tumor terbanyak ditemukan dari sel epitel sebanyak 137 kasus (95,80%), dan berdasarkan subtipe histopatologi yang terbanyak adalah kistadenokarsinoma ovarii serosum sebanyak 72 kasus (50,35%).Kata kunci: tumor ganas ovarium, paritas, sel asal tumorAbstractMalignant ovarian tumour is third rank after malignant cervic tumour and malignant breast tumour that cause death in Indonesia. The research found 143 cases of malignant ovarian tumours. Distribution profile of malignant ovarian tumours by the age of majority in the age group 31-40 years were 45 cases (31,46%), based on the highest number of parity is the parity group 1-3 were 77 cases (66,37%), based on marital status which is mostly found in women who are married as many as 116 cases (81,11%), based on the origin of the tumour cells were observed on the epithelial cells by 137 cases (95,80%), and based on the histopathological subtype is most serosum ovarian cystadenocarcinoma were 72 cases (50,35%).Keywords: malignant ovarian tumours, parity, origin of the tumor