Walter William Stiern (March 8, 1914 – February 21, 1988) was a Democratic California State Senator representing Kern County.

Walter W. Stiern
Member of the California Senate from the 16th district
In office December 2, 1974 - November 30, 1986
Preceded by	George N. Zenovich
Succeeded by	Don Rogers
Member of the California Senate from the 18th district
In office January 2, 1967 - November 30, 1974
Preceded by	Clark L. Bradley
Succeeded by	Omer L. Rains
Member of the California Senate from the 34th district
In office January 5, 1959 - January 2, 1967
Preceded by	Jess R. Dorsey
Succeeded by	John G. Schmitz
Personal details
Born	(1914-03-08)March 8, 1914 San Diego, California, U.S.
Died	February 21, 1988(1988-02-21) (aged 73) Bakersfield, California, U.S.
Political party	Democratic
Spouse	Alysjune (m. 1938)
Children	2
Education	Bakersfield College Washington State University
Military service
Branch/service	United States Army
Battles/wars	World War II

Although Stiern was born in San Diego, his family was originally from Bakersfield and moved back soon after he was born. Stiern attended Bakersfield College, then continued on to Washington State University where he received his Doctor of Veterinary Medicine. He returned to Bakersfield and set up a veterinary practice catering to the local agricultural community, taking a temporary leave to serve in World War II.

Stiern was elected to the State Senate in 1958, where he advocated on education, health and agricultural issues. He is primarily known for his work in the area of expanding California's higher education system: In 1960, he co-sponsored Assemblywoman Dorothy Donohoe's Donahoe Higher Education Act which reorganized the state's higher education system into the form it is in today: the "California State Colleges" (now known as the California State University system) was formally created as a statewide system, and from now on, the University of California, the state colleges, and the junior colleges were coordinated in their approach to providing higher education to the state's population.

Stiern became increasingly vocal during the 1960s about the fact that the junior colleges were the only segment of California public higher education which had not yet been integrated into a statewide system, and sponsored appropriate legislation to fix this.^[1] In 1967, the passage of Stiern's bill led to the transformation of the junior colleges into the California Community Colleges system.^[1]

For his home district, Stiern's work in the Senate produced California State College, Bakersfield, which became California State University, Bakersfield. The Walter W. Stiern Library on the CSUB campus is named after him.