Robert Bruce Meyer (born 13 October 1943, St. Louis) is an American physicist and professor at Brandeis University. Meyer graduated from Harvard University in 1965 with a bachelor's degree and in 1970 with a doctoral degree with advisor David Turnbull and dissertation on effects of electromagnetic fields on the structure of liquid crystals. At Harvard, Meyer was a post-doctoral student and became in 1971 an assistant professor and in 1974 an associate professor. At Brandeis University he was appointed an associate professor in 1978 and a full professor in 1985.