This study analysed factors influencing food security status of female headed farm households in Abia state, Nigeria. Multistage random sampling technique was employed in selecting 240 female headed farm households from whom data were collected using structured questionnaire. Data collected were analyzed using descriptive statistics, food security indices and probit regression technique. Results of analysis showed that mean age of the female farm households heads was 47.56 years, while, mean farm size, household size, annual farm income and non-farm income of the female headed farm households were 0.71 hectares, 6 persons, 154,086 Naira and 92,034.08 Naira respectively. Food security line of the female headed farm households was N9206.81, with food insecurity incidence of 0.5863 and food insecurity gap of 0.4067. Results of probit regression showed that age, dependency ratio, level of education, extension access, farm income, household size, household asset endowment and membership of association were significant determinants of food security status of female headed farm households. Results also showed that 78.75% of the female headed farm households were constrained by inadequate access to credit. Relevant government agencies should mobilize female heads of farm households in Abia State and encourage them to join cooperative associations, so that they can derive benefits associated with being members of agricultural cooperatives such as increased access to credit, extension information and agricultural input, with which to improve farm productivity, farm income and food security.