Senator Klein may refer to:
Jeffrey D. Klein (born 1960), New York State Senate Jerry Klein (born 1951), North Dakota State Senate Lee Klein (born 1946 or 1947), Nebraska State Senate Lori Klein (politician) (fl. 1990s–2010s), Arizona State Senate Matt Klein (born 1967), Minnesota State Senate Ron Klein (born 1957), Florida State Senate
See also Senator Kline (disambiguation)