Charles Webster Hawthorne (January 8, 1872 – November 29, 1930) was an American portrait and genre painter and a noted teacher who founded the Cape Cod School of Art in 1899.

He was born in Maine, started as an office-boy in a stained-glass factory in New York, studied at night school and with Henry Siddons Mowbray and William Merritt Chase, and abroad in both Holland and Italy.