Dr. Charles Boarman Harris (November 6, 1857 – January 2, 1942) was an American physician and surgeon. The grandson of Rear Admiral Charles Boarman, he was among the original settlers in Pembina, the first settlement in the Dakota Territory. Harris was the first doctor to serve the general population in Pembina County, and to be medically licensed, serving as the county physician for nearly 60 years. At the time of his death in 1942, he was the longest serving physician and surgeon in the state of North Dakota.