Regional inequalities continue to be a major barrier preventing economic growth and development, especially for developing countries. Governments' efforts to use public investment incentives in eliminating regional inequalities are among the most frequently implemented policies. From this point of view, this paper examines the impact of regional public investment incentives on regional economic growth in 26 development regions of Turkey over the 2004-2018 period using panel data analysis. The results of this study prove that total regional investment incentives have a positive impact on the economic growth of the regions in Turkey. The results also indicate that the investment incentives for