Donald Lester Jackson (January 23, 1910 – May 27, 1981) was an American military veteran, public relations executive and politician who served seven terms as a U.S. Representative from California from 1947 to 1961.

He served as a private in the United States Marine Corps from 1927 to 1931 and again from 1940 until discharged as a colonel in 1945 with two years' combat service overseas during World War II.

Among other members of that historic 1946 congressional freshman class were future U.S. presidents John F. Kennedy and Richard Nixon.

[1] He was appointed to the committee to replace future president Richard Nixon, who had just been elected to the United States Senate.

He worked as a radio and television commentator from 1960 to 1968, and was appointed by President Nixon as a commissioner on Interstate Commerce Commission in 1969.