List of National Natural Landmarks in Guam
From List of National Natural Landmarks, these are the National Natural Landmarks in Guam. There are 4 in total. All sites are on lands owned by the territorial government.
| Name | Image | Date | Location | County | Description | |
| 1 | Facpi Point | Guam | Contains pillow lava, intersecting dikes, and a massive sea stack of black coralline limestone. | |||
| 2 | Fouha Point | Guam | Contains exposures of volcanic rock with a nearby intertidal platform of two levels of coralline limestone. | |||
| 3 | Mount Lamlam | Guam | A remnant of a great caldera. | |||
| 4 | Two Lovers Point | Guam | A cliff exposure of massive limestone. |