Oscar William Strahan (August 10, 1891 – August 21, 1978) was an American football, basketball, and track coach and college athletics administrator.

He was a student-athlete at Drake University in Des Moines, Iowa where he was a recipient of the school's Double D Award.

[1] After coaching high school athletics in Iowa for three years, he became the head football coach (1919–1934) and head basketball coach (1920–1924, 1944–1946) at Southwest Texas State University–now known as Texas State University.

[2] He also served as the school's athletic director until his retirement and coach track for 39 years.

[4] # denotes interim head coach # denotes interim head coach