Alan MacGregor Cranston (June 19, 1914 – December 31, 2000) was an American journalist and Democratic Senator from California.
Cranston earned his high school diploma from the old Mountain View High School, where among other things, he was a Track star. He attended Pomona College and the Universidad Nacional Autónoma de México before graduating from Stanford University in Palo Alto in 1936.
Cranston was born into a well-to-do family from Northern California with interests in real estate. He married and divorced twice. His first wife, Geneva McMath, was the mother of his sons, Robin, who died young in an auto accident, and Kim, who survived him. Cranston was later married to Norma Weintraub.