Abacus: Small Enough to Jail
- År: 2017
- Land: United States of America
- Genre: Documentary
- Studio: Kartemquin Films, ITVS, Corporation for Public Broadcasting, FRONTLINE, Motto Pictures
- Nøgleord: bank
- Direktør: Steve James
- Cast: Neil Barofsky, Ti-Hua Chang, Jiayang Fan, Roman Fuzaylov, Polly Greenberg, Linda Hall