Alexander Colwell White (December 12, 1833 – June 11, 1906) was an American teacher and lawyer from Brookville, Pennsylvania.

He attended the Jacksonville Institute and the Dayton Union Academy.

During the American Civil War, White enlisted in the Union Army as a private in Company I, Eighth Regiment, Pennsylvania Volunteer Infantry.

After the war, he moved to Brookville, Pennsylvania, and continued the practice of his profession.

He resumed the practice of his profession, and served as justice of the peace for Rose Township, Pennsylvania.