Thomas Kaauwai Kaulukukui (January 22, 1913 – March 9, 2007) was an American football player and coach. He served as the head coach at the University of Hawaiʻi in 1941, as co-head coach with Eugene Gill, and from 1946 to 1950. From 1956–1959 he served as head coach of ʻIolani preparatory school in Honolulu.
Kaulukukui was a standout college athlete who earned 17 letters in five sports and was the University of Hawaii's first All-American football player. He was nicknamed "Grass Shack" by legendary sportswriter Grantland Rice. His number, #32, is only one of two numbers to have ever been retired by the Hawaii football program.