Laser Powder Bed Fusion (LPBF) is one of the most interesting sector for research nowadays due to its ability to produce complex geometries, with precision and in reduced time as compared to the traditional manufacturing methods. AlSi10Mg is an interesting alloy used for building parts through LPBF due to its low weight, good corrosion resistance and the design freedom that it provides to the manufacturer. In the study optimization of LPBF process parameters such as laser power, scan speed and hatch spacing were carried out in order to obtain optimum density, and dimensional accuracy of LPBF produced AlSi10Mg samples. Three-level three parameter Box-Behnken Design of response surface method is used to produce a design of experiment with total of fifteen runs. Single and multivariable regression equation were generated to obtain the optimum parameters using Minitab. ANOVA was used to verify the adequacy of the regression equation and to study the dependence of the input variables on the responses. The trends and effect of variables on the responses were than analyzed using main effects plot. Optimum dimension accuracy of 1.49%, 1.65% and 0.44% was obtained in R, L, and number face dimension, respectively at parameters SS of 1185.85 mm/s, LP of 320 W and HS of 130 microns. Optimum density of 2.6504 gm/cm3 was obtained at parameters LP of 320 W, SS of 1299 mm/s and HS of 130 microns. Scan speed was found to be the most contributing factor towards density of samples trailed by laser power.