Ruppert is both a surname and a given name. Notable people with the name include:
Surname:
Jacob Ruppert (1867–1939), National Guard colonel, U.S. Representative from New York, brewery owner, owner of the New York Yankees
James Ruppert (born 1934), responsible for the deadliest shooting inside a private residence in American history
Michael Ruppert, founder and editor of From The Wilderness, dedicated to investigating political cover-ups
Ralph Ruppert, German Record Producer, relocated to London in 1985
Wilhelm Ruppert (1905–1946), SS trooper in charge of executions at Dachau concentration camp
Given name:
Ruppert Jones (born 1955), former Major League Baseball outfielder
Ruppert L. Sargent (1938–1967), United States Army officer and a recipient of the Medal of Honor for his actions in the Vietnam War