Pierre Joseph Dubois (21 November 1852 – 17 January 1924) was a French World War I general.

Dubois entered the École spéciale militaire de Saint-Cyr in 1872, and on October 1, 1874, was commissioned as a second lieutenant in the cavalry.

He became commander of the 1st Cavalry Division in 1909 and at the start of World War I, he was at the head of the 9th Army Corps.

He fought in the Battles of the Marne and Ypres before coming commander of the French Sixth Army between March 1915 and February 1916, when he was put into reserve.

Put on the reserve list again in April 1917, he was reactivated in the summer of 1917 for a few months and took over the command of the 11th Military Region in Nantes.