Warren J. Baker (September 5, 1938 – October 7, 2022) was an American academic administrator who was president of California Polytechnic State University (Cal Poly San Luis Obispo).

Baker was the eighth president of Cal Poly San Luis Obispo, holding the office from 1979 until 2010.

[4] The California State University's board of trustees named Baker president of Cal Poly San Luis Obispo on May 22, 1979.

He steered Cal Poly San Luis Obispo toward greater support from industry, alumni, and friends, leading what became a record-breaking $264 million Centennial Campaign.

[7] He shepherded the donation of the 3,200-acre (1,300 ha) Swanton Pacific Ranch in Santa Cruz by alumnus Albert B. Smith, president of Orchard Supply Hardware.