This is a list of National Natural Landmarks (NNL) in American Samoa. All locations are on communally owned lands.

Name	Designated	District	Coordinates	Description	Image
Cape Taputapu	1972	Western	14°19′17″S 170°50′36″W / 14.3214°S 170.8432°W / -14.3214; -170.8432 (Cape Taputapu National Natural Landmark)	A natural exhibit of shoreline, offshore volcanic rocks, and blowholes sculpted by heavy sea-wave action
Fogamaʻa Crater	1972	Western	14°21′24″S 170°45′13″W / 14.3568°S 170.7535°W / -14.3568; -170.7535 (Fogama'a Crater National Natural Landmark)	One of very few illustrations of the most recent episode of volcanism in American Samoa
Matafao Peak	1972	Eastern	14°17′38″S 170°42′16″W / 14.2939°S 170.7045°W / -14.2939; -170.7045 (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
Leʻala Shoreline	1972	Western	14°21′36″S 170°46′38″W / 14.3600°S 170.7773°W / -14.3600; -170.7773 (Le'ala Shoreline National Natural Landmark)	A young flow of basalt, inter-bedded with layers of tuff, that illustrates erosion by wave action
Rainmaker Mountain (Mount Pioa)	1972	Eastern	14°16′21″S 170°39′21″W / 14.2725°S 170.6558°W / -14.2725; -170.6558 (Rainmaker Mountain (Mt. Pioa) National Natural Landmark)	An outstanding example of the gigantic plugs that created Tutuila Island
Vai'ava Strait	1972	Eastern	14°14′21″S 170°40′17″W / 14.2393°S 170.6715°W / -14.2393; -170.6715 (Vai'ava Strait National Natural Landmark)	A classic illustration of steep cliffs and erosion-resistant outliers formed by wave action on a volcanic mass
Aunu'u Island	1972	Eastern	14°17′00″S 170°33′12″W / 14.2833°S 170.5534°W / -14.2833; -170.5534 (Aunu'u Island National Natural Landmark)	The site of recent episodes of volcanism backed by a geologically recent tuff cone