| Montmorency | |
|---|---|
| Noble house | |
 Coat of arms of the House of Montmorency | |
| Country |  Kingdom of France |
| Founded | c. 997 |
| Founder | Bouchard I of Montmorency |
| Motto | Dieu ayde le premier baron chrestien (God help the first Christian baron) |
| Cadet branches | House of Laval |
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The House of Montmorency (pronounced [mɔ̃.mɔ.ʁɑ̃.si]) was one of the oldest and most distinguished noble families in France.