A health facility-based cross-sectional study design was used to identify the factors associated with immediate post-partum family Planning utilization by women in Nyabihu District from January to June 2021. Secondary data on social demographic and obstetric characteristics were extracted from health facility medical records. The data were entered in Excel and exported in STATA for analysis. Both bivariate and multivariate logistic regression analyses were performed to identify the associated factors. We report adjusted odds ratios (aORs), with a 95% confidence interval (95%CI).