Tamanu
- Type: Outrigger Canoe
- Designer: Gary Dierking
- Foil: Leeboard
- Cabin: No
- Length: 20'
- Beam: 1'8 1/2"
- Overall width: 9'2"
- Draft:
- Weight
- Ballast: No
- Rig: Tacking only
- Sails:
- Main: Crab claw 80 sq.ft.
- Construction: Plywood
- Related boats:
- Ulua
- T2
- Wa'apa
- Links:
- Outrigger Sailing Canoes