This is a list of dams and reservoirs in Austria.
| Name | Bundesland | Volume [million m³] | Area [km²] | Altitude [m] | River | Max. depth [m] | Finished | Type | |
|---|---|---|---|---|---|---|---|---|---|
| Kölnbrein Dam | Kärnten | 205.0 | 3.50 | 1902 | Lieser, Malta | 205.0 | 1977 | Arch dam | |
| Gepatschspeicher | Tirol | 140.0 | 2.60 | 1772 | Faggenbach, Pitzbach, Radurschlbach | 110.0 | 1964 | Embankment dam | |
| Schlegeis-Speicher | Tirol | 126.5 | 2.20 | 1782 | Zemmbach | 110.0 | 1971 | Arch dam | |
| Oberösterreich | 114.0 | – | 280 | Donau | 15.0 | 1964 | Barrage | ||
| Stauraum Altenwörth | Niederösterreich | 93.0 | 11.00 | 194 | Donau | 15.0 | 1976 | Barrage | |
| Stauraum Greifenstein | Niederösterreich | 87.0 | – | 177 | Donau | 12.6 | 1984 | Barrage | |
| Zillergründl Dam | Tirol | 86.7 | 1.40 | 1850 | Ziller, Inn | 186.0 | 1986 | Arch dam | |
| Mooserboden Dam | Salzburg | 84.9 | 1.60 | 2036 | Kapruner Ache, Salzach | 112.0 | 1955 | Arch dam/Gravity dam | |
| Völkermarkter Dam | Kärnten | 83.0 | – | 391 | Drau | 21.2 | ? | Barrage | |
| Wasserfallboden Dam | Salzburg | 81.2 | 1.40 | 1672 | Kapruner Ache | 90.0 | 1951 | Arch dam | |
| Lünersee | Vorarlberg | 78.3 | 1.65 | 1970 | Ill | 73.0 | 1958 | Gravity dam | |
| Stauraum Ybbs-Persenbeug | NÖ and OÖ | 77.0 | – | 226 | Donau | 11.2 | 1959 | Barrage | |
| Ottenstein Dam | Niederösterreich | 73.0 | 4.30 | 495 | Kamp | 69.0 | 1956 | Arch dam | |
| Achensee | Tirol | 66.0 | 6.80 | 929 | Achen Bach, Ache | 113.0 | ? | ? | |
| Speicher Finstertal | Tirol | 60.0 | 1.00 | 2400 | Finstertalbach | 150.0 | 1980 | Embankment dam | |
| Tauernmoossee | Salzburg | 57.0 | 1.89 | 2023 | Stubache | 53.0 | 1973 | Gravity dam | |
| Stauraum Freudenau | Wien und NÖ | 55.0 | – | 161 | Donau | 8.6 | 1997 | Barrage | |
| Stauraum Wallsee-Mitterkirchen | Oberösterreich | 52.5 | 7.80 | 240 | Donau | 10.5 | 1968 | Barrage | |
| Speicher Durlaßboden | Salzburg/Tirol | 50.7 | 1.80 | 1405 | Gerlosbach | 83.0 | 1966 | Earth dam | |
| Stauraum Abwinden-Asten | Oberösterreich | 48.0 | 9.50 | 251 | Donau | 9.3 | 1979 | Barrage | |
| Melk Dam | Niederösterreich | 45.0 | 10.00 | 214 | Donau | 8.4 | 1982 | Barrage | |
| Kops Dam | Vorarlberg | 42.9 | 1.00 | 1809 | Valluelabach, Ill | 81.0 | 1965 | Arch dam/Gravity dam | |
| Silvretta-Dam | Vorarlberg | 38.6 | 1.31 | 2030 | Ill | 80.0 | 1948 | Gravity dam | |
| Stauraum Ottensheim-Wilhering | Oberösterreich | 34.0 | – | 264 | Donau | 10.5 | 1973 | Barrage | |
| Oscheniksee | Kärnten | 30.0 | 0.43 | 2394 | Fragant | 146.0 | 1979 | Embankment dam | |
| Spullersee | Vorarlberg | 16.9 | 0.57 | 1827 | Spullerbach | 30.0 | 1965 | Gravity dam | |
| Soboth Dam | Kärnten | 16.2 | 0.87 | 1080 | Feistritzbach | – | 1990 | Embankment dam | |
| Rotgüldensee | Salzburg | 15.6 | 0.43 | 1733 | Rotgüldenbach | 63.0 | 1956/1991 | Embankment dam | |
| Bockhartsee | Salzburg | 14.9 | 0.42 | 1873 | Nassfelder Ache, Salzach | 69.0 | 1982 | Embankment dam | |
| Großsee | Kärnten | 14.4 | 0.37 | 2417 | Möll | 85.0 | 1978 | Embankment dam | |
| Hochwurtenspeicher | Kärnten | 13.2 | 0.49 | 2417 | Fragant | 52.0 | 1978 | Earth dam | |
| Klaus Dam | Oberösterreich | 12.6 | 0.90 | 463 | Steyr (river) | – | 1975 | Arch dam | |
| Salza Dam | Steiermark | 11.0 | 0.80 | 771 | Salza | – | 1949 | Arch dam | |
| Wienerwaldsee | Niederösterreich | – | 0.32 | 289 | Wienfluss, Wolfsgrabenbach | − | 1897 | ? | |
| Zirmsee | Kärnten | 8.7 | 0.30 | 2530 | Möll | 51.0 | 1984 | Embankment dam | |
| Bolgenach Dam | Vorarlberg | 8.4 | 0.30 | 744 | Bolgenach, Bregenzer Ach | – | 1978 | Earth dam | |
| Großer Mühldorfer See | Kärnten | 7.9 | 0.24 | 2319 | Möll, Drau | 65.0 | 1957 | Gravity dam | |
| Speicher Stillup | Tirol | 6.6 | – | 1119 | ? | – | ? | Earth dam | |
| Packer Dam | Steiermark | 5.4 | 0.60 | 866 | Teigitsch | 30.0 | 1931 | Gravity dam/Earth dam | |
| Vermunt Dam | Vorarlberg | 5.3 | 0.35 | 1743 | Ill | 24.0 | 1931 | Gravity dam | |
| Speicher Galgenbichl | Kärnten | 4.4 | – | ? | ? | – | ? | Gravity dam/Embankment dam | |
| Speicher Längental | Tirol | 3.4 | 0.21 | 2000 | Nederbach, Inn | 45.0 | 1980 | Earth dam | |
| Stausee Margaritze | Kärnten | 3.2 | 0.20 | 2000 | Möll | 39.0 | 1952 | Gravity dam | |
| Wurtenspeicher | Kärnten | 2.8 | 0.22 | 1695 | Wurtenbach | – | 1971 | Earth dam | |
| Ranna Pumped Storage Power Station | Oberösterreich | 2.35 | 0.27 | 493 | Ranna, Höllbach | 30 | 1954 | Arched gravity dam | |
| Speicher Großsölk | Steiermark | 1.7 | 0.13 | 902 | Große Sölk | 39.0 | 1978 | Arch dam | |
| Erlauf Dam | Niederösterreich | 1.7 | 0.2 | 783 | Erlauf | 20,0 | 1911 | Arched gravity dam | |
| Speicher Gmünd | Tirol | 0.9 | – | 1191 | ? | 20.0 | 1945/1993 | Arch dam | |
| Langhalsen Dam | Oberösterreich | 0.736 | 0.18 | 456 | Große Mühl | – | 1924 | Gravity dam | |
| Klammsee | Salzburg | 0.2 | 0.07 | 847 | Kapruner Ache | – | 1947 | Gravity dam |