| Author | Moses ben Jacob of Coucy |
|---|---|
| Original title | ספר מצוות גדול |
| Language | Hebrew |
| Subject | Halacha |
| Publication place | France |
Sefer Mitzvot Gadol (Hebrew: ספר מצוות גדול; in English: "The Great Book of Commandments"; abbreviated: סמ"ג, "SeMaG") work of halakha by Moses ben Jacob of Coucy, containing an enumeration of the 613 commandments.