Robert Prentis Munger (November 2, 1909 – October 23, 2001) was an American politician.
Robert P. Munger graduated from Sioux City Central High School, obtained a bachelor of arts at Morningside College in 1931, followed by a bachelor of laws at the University of South Dakota School of Law in 1933.
Munger began practicing law in Sioux City upon completing his legal education.
After his return from active military duty in 1945, Munger returned to the practice of law and was elected to two consecutive terms on the Iowa House of Representatives for District 58, serving between January 10, 1949, and January 11, 1953.
He subsequently served as vice chairman of the Governmental Reorganization Commission and as a member of the Iowa Board of Regents.