The present research paper communicates the helminth parasites infection rate of the fishes of Ikop Lake, Thoubal District, Manipur. A total of 1114 fishes were sacrificed during my investigation, 35 different fish species were examined for helminth parasites infection. Of these 697 fish individual belonging to 19 different fish species are found to be parasitized with a total of 1395 helminth parasites. Ikop Lake (locally called as Ikop Pat) contributes 35 fish species under 28 genera, 15 family and 5 orders. About 34 different of parasite groups (viz. Nematode, Acanthocephala and Cestode. The intensity of infection rate was recorded highest in the host like Clupisoma garua (3.6, 44.44%), Macrognathus aculeatus (3.6, 41.18%) and lowest in Trichogaster fasciata (1.3, 76.19%). The prevalence percentage infection is recorded highest and lowest in Channa striata (86.67%, 1.8) and Systomus sarana (15.94%, 3.0) of Ikop Lake.