Jania capillacea
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Corallinales
- family: Corallinaceae
- genus: Jania
- species: Jania capillacea
- Duncan Town
Ragged Island
Bahamas- Welchman Hall
Saint Thomas
Barbados- Torres
Rio Grande do Sul
Brazil- Puerto Limón
Limón
Costa Rica- Port Antonio
Portland- Annotto Bay
St. Mary
Jamaica- Enewetak
Enewetak Atoll
Marshall Islands- Waimānalo Beach
Hawaii
United States