Abstract: Oil price volatility effect on macroeconomic indices globally has been a long debate among scholars. This study examined the impact of oil price volatility on external debt management in Nigeria. The study employs the use of secondary data obtained from the Central Bank of Nigeria (CBN) Statistical Bulletin, 2018, World Bank, International Debt Statistics and Debt Management Office of Nigeria. The data were subjected to ADF test, Johansen co-integration test, Granger Causality test and Vector Auto-Regression (systems model) to estimate parameters and test outlined hypotheses using Wald Test Chi-square outcome.