Gracilaria arcuata
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gracilariales
- family: Gracilariaceae
- genus: Gracilaria
- species: Gracilaria arcuata
Pointe-à-Pitre
Guadeloupe
Guadeloupe
Flic en Flac
Black River
Mauritius
Mayabon- Okiot
- Zamboanguita
Central Visayas- Mat-i
Northern Mindanao- Linaon
Western Visayas
Philippines
Key West
Florida
United States