Irvin C. "Whiz" Wisniewski (January 8, 1925 – February 26, 2014) was an American football and basketball player and coach. He served as the head football coach at Hillsdale College in 1951, tallying a mark of 2–6. Wisniewski was also the head basketball coach at Hillsdale from 1950 to 1952 and at the University of Delaware from 1954 to 1966, compiling a career college basketball record of 124–179.