The work looked at health insecurity of internally displaced victims of flood in Ahoada West Local Government Area in Rivers State, Nigeria. Four research questions and objectives guided the study. The Social Inclusion Theory propounded in 1970 by René Lenoir was used. The study is a survey research. Both primary and secondary sources of data collection were utilized. A sample size of 100 was chosen. Respondents chosen for the study are family heads, women and youths. The collected data were analyzed through mean and standard deviation. The study discovered that internally displaced flood person’s victim’s experienced high blood pressure, infectious diseases, asthma and cold amongst others as a result of the flood. It is recommended that government and other humanitarian NGOs should assist in preventing and reducing the occurrence of yearly flood as this can be achieved through effective engineering control measure, flood forecasting, dredging of the Orashi River and establishment of deep drainage system.