| Disputed: | yes |
| Irving Reef | |
| Type: | atoll |
| Other Names: | Balagtas Reef (Philippine English) Bahura ng Balagtas (Filipino) đá Đá Nhám (Vietnamese) 火艾礁 Huǒ'ài Jiāo (Chinese) |
| Pushpin Map: | Spratly Islands relief |
| Location: | South China Sea |
| Coordinates: | 10.86°N 114.92°W |
| Archipelago: | Spratly Islands |
| Country Admin Divisions Title: | Region |
| Country Admin Divisions: | IV-B - MIMAROPA |
| Country Admin Divisions Title 1: | Province |
| Country Admin Divisions 1: | Palawan |
| Country Admin Divisions Title 2: | Municipality |
| Country Admin Divisions 2: | Kalayaan |
Irving Reef, also known as Balagtas Reef (fil|Bahura ng Balagtas; Mandarin, vi|đá Cá Nhám), is a coral atoll in the Spratly Islands, South China Sea. It is occupied by the Philippines as part of Kalayaan, Palawan,[1] [2] and is also claimed by the People's Republic of China, the Republic of China (Taiwan) and Vietnam.
The atoll is southwest of West York Island. It is in length.[3] There is a sand cay near the northern extremity.[4]