Family planning can be considered beneficial to an extent and it involves the use of contraceptives to stop unwanted pregnancies. Thus, this study investigated attitude of post-graduate students towards family planning in Ilorin metropolis, Kwara state. Descriptive research design of survey type was adopted for this study. The population for this study consisted of post graduates in Ilorin, Kwara state. The sample of two hundred were randomly selected. The sampling technique that was used in this study was purposive sampling technique. The instrument that was used for this study is a researcher-developed questionnaire tagged “Attitude of Post-graduate Students Towards Family Planning Question (APSTFPQ)". In analyzing the data collected for this study, both descriptive and inferential statistical analyses were employed. The demographic data collected was analyzed using percentages and ranking order. In testing the hypotheses generated, t-test and Analysis of variance (ANOVA) statistics were used to analyze the hypotheses generated for the study at 0.05 level of significance. The study revealed that the attitude of post graduate students towards family planning in Ilorin metropolis was positive. There was no significant difference in the attitude of post graduate students towards family planning based on age, course of study and number of children while significant difference was observed on level of educational attainment. Based on the findings of this study, it was recommended that awareness should be created among post graduate students about family planning to improve the attitude of the students towards family planning, Counsellors in tertiary institutions should organize seminars and workshops on family planning and its importance, post graduate students irrespective of age, course of study and number of children should make it as a habit to engage in family planning.