Kamaka Rainbowfish
Melanotaenia kamaka
- Least concern
- Card rarity: Common
- Fish

Melanotaenia kamaka, the Kamaka rainbowfish is a species of rainbowfish in the subfamily Melanotaeniinae. It endemic to southwest New Guinea, specifically lake Kamakawaiar of which it earns its name.
Classification
- Class
- Actinopterygii
- Order
- Atheriniformes
- Family
- Melanotaeniidae
- Genus
- Melanotaenia