A buttress is an architectural structure built against or projecting from a wall which serves to support or reinforce the wall.

Buttress may also refer to:

Architectural design Buttressed core, structural system for high buildings Flying buttress, form of buttress with a ramping arch Buttress dam, a dam that uses buttresses as a form of support

Natural landforms Angino Buttress, buttress type mountain Buchia Buttress, rock buttress Cockscomb Buttress, isolated rock buttress Duseberg Buttress, rock buttress Fang Buttress, rock buttress Ferrell Buttress, rock buttress Frog Buttress, cliff on the north-west side of Mount French Hayduta Buttress, rounded ice-covered buttress Henriksen Buttress, rock buttress Ilchev Buttress, ice-covered buttress Jenny Buttress, rock buttress Kardam Buttress, sloping ice-covered buttress Kenderova Buttress, ice-covered ridge Mezzo Buttress, rocky buttress Mitino Buttress, rounded ice-covered buttress Sauria Buttress, rock buttress Palindrome Buttress, rock buttress Paroriya Buttress, ice-covered ridge Robertson Buttress, rock buttress Shapkarev Buttress, rounded ice-covered buttress Stamp Buttress, rock buttress Sumgin Buttress, elevated rock Sørlle Buttress, mountain between Mount Spaaman and Three Brothers Taylor Buttresses, oval shaped, whale-back shaped hill on three buttresses Travnik Buttress, ice-covered ridge Vittoria Buttress, rock cliff

Surname Donald Buttress, English architect Mike Buttress (born 1958), English former footballer Jim Buttress (born 1945), British horticulturalist and gardener William Buttress (1827-1866), English cricketer Wolfgang Buttress (born 1965), English artist

Other uses Buttress root, large roots on all sides of a tree Buttress thread, screw thread profile with an asymmetric square/slanted shape USS Buttress, auxiliary minelayer Buttress, Saskatchewan, defunct aerodrome in Saskatchewan, Canada