Boniface of Montferrat may refer to:
- Boniface I, Marquis of Montferrat (r. 1192–1207), also king of Thessalonica from 1204
- Boniface II, Marquis of Montferrat (r. 1225–1253), also titular king of Thessalonica from 1239
- Boniface III, Marquis of Montferrat (r. 1483–1494)
- Boniface IV, Marquis of Montferrat (r. 1518–1530)
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