Grace Carpenter Hudson (1865–1937) was an American painter.
She was nationally known during her lifetime for a numbered series of more than 684 portraits of the local Pomo Indians. She painted the first, “National Thorn”, after her marriage in 1891, and the last in 1935.
Grace Carpenter was born on February 21, 1865 in Potter Valley, California. Her mother Helen McCowen was one of the first white school teachers educating Pomo children and was a commercial portrait photographer in Ukiah, California; her father Aurelius Ormando Carpenter was a skilled panoramic and landscape photographer who chronicled early Mendocino County frontier enterprises such as logging, shipping and railroading. Her paternal grandmother was Clarina I. H. Nichols.