Other negro baseball leagues in 1947:    
NAL
The NNL and the NAL faced each other in the Negro World Series at the end of the season to determine an overall champion.
Champ
NY
1947 NNL Champion New York Cubans
z: best record, c: conference winner, y: division winner, w: wildcard, x: clinched playoff spot

Negro World Series

Best of 7-game series
DateAwayScoreHomeSeries
9/19 (NAL) Cleveland 5-5 NY Cubans (NNL) Tied 0-0
??? (NAL) Cleveland 10-7 NY Cubans (NNL) CLE 1-0
??? (NNL) NY Cubans 6-0 Cleveland (NAL) Tied 1-1
??? (NAL) Cleveland 4-9 NY Cubans (NNL) NY 2-1
??? (NNL) NY Cubans 9-2 Cleveland (NAL) NY 3-1
9/27 (NNL) NY Cubans 6-5 Cleveland (NAL) NY 4-1