Abstract: This research work focused on the empirical analysis of triple bottom line accounting on corporate profitability of selected oil companies in Nigeria. The objective of this study is to empirically analyze the relationship between triple bottom accounting and the corporate profitability of selected oil companies in Nigeria. Specifically, this study intends to: ascertain the relationship between triple bottom line accounting and the corporate profitability of selected oil companies in Nigeria in respect to their Gross Profit Margin (GPM), Operating Margin (OM), Return on Assets (ROA), Return on Equity (ROE) and Return on Investment (ROI). This study employed a time series data spanning years 2000-2018. The methodology adopted in this research is the Ordinary Least Square (OLS) method of regression analysis and quasi experimental research design. Other methods of data analysis such as the cointegration test, Error Correction Modeling (ECM), LM serial correlation test, augmented Dickey Fuller test and Breusch-Pagan-Godfrey heteroskedasticity test, respectively was used to analyze the test statistics. Secondary data garnered from journal publications, test books and annual financial reports various years of the selected oil companies constitutes the sources of the data used in the analysis of this study. The population of this study constitutes 100 registered oil companies in Nigeria stock exchange while the sample size consists of top10 oil companies in Nigeria which was selected using judgmental sampling technique. Multiple regression techniques and descriptive statistics and descriptive statistics were used in testing the hypothesis and analyzing the data, respectively. The study while employing various techniques of econometric analysis discovered the existence of a long-run relationship between triple bottom line accounting and corporate profitability. This implies that when companies are socially, environmentally and economically responsible to their host community or business environment, they stand the chance of enjoying an increase in profit and acceptance from their host communities. This study among others recommends the need for the host communities of firms, especially, oil companies and other stakeholders and well as governmental and non-governmental agencies to request for triple bottom line reports which meet their needs for information thus enabling them to be in a better position to hold companies to account for all the dimensions of triple bottom lines.