| Unit Name: | 40th Infantry Division Sustainment Brigade |
| Dates: | Present |
| Allegiance: | United States of America |
| Branch: | United States Army |
| Type: | Sustainment Brigade |
| Role: | Sustainment |
| Size: | Brigade |
| Nickname: | "Dragon Slayers" |
| Motto: | Serviens Semper |
| Current Commander: | COL Barbara J. Beegles |
| Commander4: | CSM Samuel P. Yudin |
| Commander4 Label: | Command Sergeant Major |
| Identification Symbol Label: | The Brigade's distinctive unit insignia |
The 40th Infantry Division Sustainment Brigade (former 224th Sustainment Brigade) is a sustainment brigade of the United States Army and the California Army National Guard, which is assigned to the 40th Infantry Division.
In April 2010 the brigade deployed for a scheduled year-long deployment to Iraq.
The brigade was relieved by the 38th Sustainment Brigade likely in December 2011.