Robert Joseph Pothier (9 January 1699 – 2 March 1772) was a French jurist.

Robert Jungk was an Austrian writer, journalist, historian and peace campaigner who wrote mostly on issues relating to nuclear weapons.

Robert Jurmain is a professor emeritus of anthropology at San Jose State University.

Robert King Merton was an American sociologist who is considered a founding father of modern sociology, and a major contributor to the subfield of criminology. He served as the 47th president of the American Sociological Association. He spent most of his career teaching at Columbia University, where he attained the rank of University Professor. In 1994 he was awarded the National Medal of Science for his contributions to the field and for having founded the sociology of science.

Robert K. Murray was an American professor of history at the Pennsylvania State University for 35 years, best known for The Harding Era (1969), a biography of US President Warren G. Harding, which won a History Book of the Month Club selection, McNight Distinguished Book Award, and Phi Alpha Theta National Book award.

Robert K. Tanenbaum is an American trial attorney, novelist, and former mayor of Beverly Hills, California.

Robert Kagan is an American neoconservative scholar. He is a critic of U.S. foreign policy and a leading advocate of liberal interventionism.

Robert Kanigel is an American biographer and science writer, known as the author of seven books and more than 400 articles, essays, and reviews.

Robert Kanigher was an American comic book writer and editor whose career spanned five decades. He was involved with the Wonder Woman franchise for over twenty years, taking over the scripting from creator William Moulton Marston. In addition, Kanigher spent many years in charge of DC Comics's war titles and created the character Sgt. Rock. Kanigher scripted what is considered the first Silver Age comic book story, "Mystery of the Human Thunderbolt!", which introduced the Barry Allen version of the Flash in Showcase #4.

Robert Kaplan may refer to:Robert D. Kaplan, American author Robert S. Kaplan, business theorist and professor of accounting at Harvard Business School Robert Steven Kaplan, former president of the Federal Reserve Bank of Dallas and professor of management practice at Harvard Business School Bob Kaplan (1936–2012), Canadian Liberal MP