The Global Volcanism Program database for Tonga Islands currently contains 18 Holocene volcanoes, sorted below in geographical (volcano number) order. Descriptions of the various "Volcano Type" and "Volcano Status" designations can be found on the Volcano Data Criteria page.
| Photo | Volcano Name | Volcano Type | Volcano Status | Location |
| UNNAMED | Submarine volcano | Fumarolic | Tonga Islands | |
| UNNAMED | Submarine volcano | Historical | Tonga Islands | |
| UNNAMED | Submarine volcano | Holocene | Tonga Islands | |
|
UNNAMED | Submarine volcano | Historical | Tonga Islands |
|
HUNGA TONGA-HUNGA HA'APAI | Submarine volcano | Historical | Tonga |
|
FALCON ISLAND | Submarine volcano | Historical | Tonga Islands |
|
TOFUA | Caldera | Historical | Tonga Islands |
|
KAO | Stratovolcano | Holocene | Tonga Islands |
|
METIS SHOAL | Submarine volcano | Historical | Tonga Islands |
|
HOME REEF | Submarine volcano | Historical | Tonga Islands |
|
LATE | Stratovolcano | Historical | Tonga Islands |
| UNNAMED | Submarine volcano | Historical | Tonga Islands | |
|
FONUALEI | Stratovolcano | Historical | Tonga Islands |
|
TAFAHI | Stratovolcano | Holocene? | Tonga Islands |
|
CURACOA | Submarine volcano | Historical | Tonga Islands |
|
NIUAFO'OU | Shield volcano | Historical | Tonga Islands |
|
TAFU-MAKA | Submarine volcano | Historical | Tonga Islands |
|
WEST MATA | Submarine volcano | Historical | Tonga Islands |