This study examined the relationship between educational qualification and family planning practices among married persons in Southwest Nigeria. Descriptive research design of the survey type was adopted for this study and the sample consisted of one thousand and two hundred (1,200) married persons. Multistage random sampling technique was used to select the sample. Information was collected for the study through the administration of questionnaire to the respondents. Data obtained were analysed using mean, standard deviation, ANOVA and regression analysis. The result revealed that educational qualification of married persons will significantly influence the family planning practices. It was concluded that married person with high educational qualification will definitely plan their family by giving birth to few children, It was therefore recommended that married persons need to improve on their educational status in order to increase the level of family planning practices. Also they should see the need to plan and space child birth. Keywords: Marriage, Family, Educational Qualification, Family Planning Practices, Child Spacing. DOI: 10.7176/RHSS/10-6-05 Publication date:March 31st 202