List of National Natural Landmarks in American Samoa
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{{Use mdy dates|date=April 2025}}
This is a list of National Natural Landmarks (NNL) in American Samoa. All locations are on communally owned lands.
| class="wikitable sortable" align="center"
! style="background-color:{{NNL color}}" | Name ! style="background-color:{{NNL color}}" | Designated ! style="background-color:{{NNL color}}" | District ! style="background-color:{{NNL color}}" | Coordinates ! style="background-color:{{NNL color}}" class=unsortable | Description ! style="background-color:{{NNL color}}" class=unsortable | Image |
| Cape Taputapu
| 1972 | Western | {{coord |
| 14.3214 |
| 170.8432|scale:30000_region:US-AS|display=inline|name=Cape Taputapu National Natural Landmark}}
| A natural exhibit of shoreline, offshore volcanic rocks, and blowholes sculpted by heavy sea-wave action | 200px |
| Fogamaʻa Crater
| 1972 | Western | {{coord |
| 14.3568 |
| 170.7535|scale:30000_region:US-AS|display=inline|name=Fogama'a Crater National Natural Landmark}}
| One of very few illustrations of the most recent episode of volcanism in American Samoa | 200px | |
| Matafao Peak
| 1972 | Eastern | {{coord |
| 14.2939 |
| 170.7045|scale:30000_region:US-AS|display=inline|name=Matafao Peak National Natural Landmark}}
| One of five great masses of volcanic rocks that extruded as molten magma during the major episodes of volcanism that created Tutuila Island | 200px |
| Leʻala Shoreline
| 1972 | Western | {{coord |
| 14.3600 |
| 170.7773|scale:30000_region:US-AS|display=inline|name=Le'ala Shoreline National Natural Landmark}}
| A young flow of basalt, inter-bedded with layers of tuff, that illustrates erosion by wave action | 200px |
| Rainmaker Mountain (Mount Pioa) | 1972 | Eastern | {{coord |
| 14.2725 |
| 170.6558|scale:30000_region:US-AS|display=inline|name=Rainmaker Mountain (Mt. Pioa) National Natural Landmark}}
| An outstanding example of the gigantic plugs that created Tutuila Island | 200px |
| Vai'ava Strait
| 1972 | Eastern | {{coord |
| 14.2393 |
| 170.6715|scale:30000_region:US-AS|display=inline|name=Vai'ava Strait National Natural Landmark}}
| A classic illustration of steep cliffs and erosion-resistant outliers formed by wave action on a volcanic mass | 200px |
| Aunu'u Island
| 1972 | Eastern | {{coord |
| 14.2833 |
| 170.5534|scale:30000_region:US-AS|display=inline|name=Aunu'u Island National Natural Landmark}}
| The site of recent episodes of volcanism backed by a geologically recent tuff cone | 200px |
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