20th International Battalion
| 20th International Battalion 20.º Batallón Internacional  | |
|---|---|
| Active | March 1937 – January 1938 | 
| Country | Various (see text) | 
| Allegiance | Spain | 
| Branch | International Brigades | 
| Type | Battalion – Infantry | 
| Role | Home Defence | 
| Part of | XV International Brigade 86th Mixed Brigade  | 
| Garrison/HQ | Albacete | 
| Engagements | Spanish Civil War | 
| Commanders | |
| Notable commanders  | Aldo Morandi | 
The 20th International Battalion (Spanish: 20.º Batallón Internacional —Vigésimo Batallón Internacional or "Batallón 20" — Batallón Veinte) was a battalion of the International Brigades during the Spanish Civil War.