Stanislaus Clarence Kostka (July 8, 1912 – February 3, 1997) was an American football player and coach.

He was also the head baseball coach at North Dakota Agricultural in 1947, tallying a mark of 5–3.

Kostka served as a lieutenant commander in the United States Navy during World War II.

Kostka, a squarely built 6-foot, 225-pounder who only played one year, received offers from the Bears, Packers, Giants, Steelers, and Brooklyn.

Kostka was born in Inver Grove Heights, Minnesota and died in Fargo, North Dakota at the age of 84.