Alvaro Yelvington "Bud" McCallum (February 19, 1900 – March 26, 1977) was an American football player, coach of football and basketball, and college athletics administrator.
[2] McCallum was also the head basketball coach at Texas A&I from 1929 to 1940, tallying a mark of 92–119, and the school's athletic director from 1929 to 1941.
[3] As a college football player, McCallum was an All-Southwest Conference end for the University of Texas–Austin in 1920 and he helped the Longhorns to win the Southwest Conference Championship in 1916, 1918 and 1920 and the TIAA Championship in 1918.
[4] He was coach at Wichita Falls High School from 1923 to 1928.
His son, 2LT Arthur Kercheville McCallum, died in 1961 in a carrier landing accident 25 miles off Corpus Christi in the Gulf of Mexico.