The Ottumwa Cardinals were a Class-D Mississippi Valley League minor league baseball team based in Ottumwa, Iowa that played from 1922 to 1925. They were preceded and succeeded by the Ottumwa Packers.^[1]

Of note, Jack Saltzgaver and Johnny Welch, who both spent considerable time in Major League Baseball, played for the team. They were managed by Wally Mattick from 1923 to 1925.^[2]