Lake Tebera rainbowfish
Melanotaenia herbertaxelrodi
- Vulnerable
- Card rarity: Rare
- Fish

The Lake Tebera rainbowfish is a species of rainbowfish in the subfamily Melanotaeniinae which is endemic to the Lake Tebera basin in Papua New Guinea. The specific name honours the pet-book publisher Herbert R. Axelrod (1927–2017).
Classification
- Class
- Actinopterygii
- Order
- Atheriniformes
- Family
- Melanotaeniidae
- Genus
- Melanotaenia