Look up marsi in Wiktionary, the free dictionary.
Marsi is a tribe of ancient Italy.
Marsi may also refer to:
- Marsi (Germanic), a tribe of ancient Germany
- Counts of Marsi, counts in Southern Italy from the 11th and 12th centuries AD
- Bishop of Marsi of the Diocese of Marsi, a former central Italian Roman Catholic bishopric
- Marsi Gallery, a gallery in Thailand