Rhoda Holmes Nicholls (March 28, 1854 – September 7, 1930) was an English-American watercolor and oil painter, born in Coventry, England. She studied art in England and Italy, and her work was viewed and praised at the time by the queens of both countries. A body of work was created in South Africa by Nicholls of Port Elizabeth area's scenery, wildlife and architecture. She lived there on her brothers' 25,000-acre ostrich farm for one year.