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
Polowat