Donald Lester Jackson (born January 23, 1910) was a Republican member of the United States House of Representatives from California. He represented California’s 16th congressional district and served as a historical member of Congress during the mid-twentieth century. His service in the House began on January 3, 1947, and concluded on January 3, 1961.

Jackson held the role of Representative for seven consecutive terms, reflecting sustained electoral support in his district. Throughout this fourteen-year period, he served as part of the Republican delegation from California. While specific committee assignments, office contact information, and additional roles are not listed in the available record, his tenure from 1947 to 1961 places him among the notable long-serving representatives from California in that era.