William Masao Kajikawa (September 6, 1912 – February 12, 2010) was an American football, basketball, and baseball coach. He served as the head basketball coach at Arizona State University from 1949 to 1957, compiling a record of 88–131, and the school's head baseball coach from 1946 to 1952, tallying a mark of 57–70. Kajikawa was also an assistant and freshmen football coach at Arizona State between 1937 and 1978.

Kajikawa attended Phoenix Union High School and played college football at Arizona State. During World War II Kajikawa was a member of the 442nd Regimental Combat Team. Kajikawa died on February 12, 2010.^[1] The football field on the Arizona State Tempe campus is named after him.^[2]