Robert Marion Clawson (August 10, 1905 – April 12, 1998) was an American agricultural economist.

He worked for the United States Department of Agriculture from 1929 to 1946.

[1] In 1948, he became the second director of the Bureau of Land Management, where he served until 1953.

[2] Clawson spent 1953–1955 in Israel as a member of the Economic Advisory Staff, a group of American economists who were invited to Israel by David Ben-Gurion.

He spent the rest of his career at Resources for the Future.