Carroll Walter Ringwalt (December 15, 1907 – June 26, 1990) was an American football player.
He played college football as a center for Indiana University from 1927 to 1929.
[1] He then played professional football in the National Football League (NFL) as a center and guard for the Portsmouth Spartans in 1930 and Frankford Yellow Jackets in 1931.
[2] Ringwalt was married to Frances Jane Curran.
After retiring from football, Ringwalt worked in finance for almost 40 years in Indianapolis.