| Name | Length | Depth | Location | Notes |
| Baradla-Domica Cave system | 24 km | 116 m | Aggtelek Karst (partly in Slovakia) | the Hungarian part is 19 km long part open to the public |
| Pálvölgyi Cave | 12.4 km | 104 m | Budapest | part open to the public |
| Béke Cave | 6.4 km | 59 m | Aggtelek Karst | perennial stream cave |
| István-lápa Cave aprox. | 6.0 km | 253 m | Great Plateau, Bükk | intermittent stream cave SRT* |
| József-hegyi Cave | 5.5 km | 103 m | Budapest | |
| Mátyás-hegyi Cave | 5.1 km | 108 m | Budapest | |
| Bolhás-Jávorkút Cave System | 4.7 km | 130 m | Great Plateau, Bükk | perennial stream cave SRT |
| Csodabogyós Cave | 3.7 km | 111 m | Keszthelyi Mountains | |
| Szabadság Cave | 3.3 km | | Aggtelek Karst | |
| Buda Castle Cave | 3.3 km | | Budapest | part open to the public |
| Tapolca Lake Cave | 3.2 km | | Tapolca, Balaton Highland | part open to the public |
| Alba Regia Cave | 3.2 km | 200 m | Tés Plateau, Bakony | |
| Létrási Ponor Cave | 2.9 km | 90 m | Great Plateau, Bükk | intermittent stream cave |
| Kórház Cave | 2.8 km | | Tapolca, Balaton Highland | |
| Szepesi-Láner Cave System | 2.5 km | 166 m | Great Plateau, Bükk | |
| Leány-Legény Cave System | 2.4 km | 62 m | Pilis | |
| Cserszegtomaji Well Cave | 2.3 km | | Keszthelyi Mountains | |
| Hajnóczy Cave | 2.3 km | 117 m | Southern Bükk | |
| Szemlő-hegyi Cave | 2.2 km | 50 m | Budapest | part open to the public |
| Fekete Cave | 2 km | 174 m | Great Plateau, Bükk | intermittent stream cave SRT |
| Solymári-Ördöglyuk Cave | 2 km | | Buda Mountains, near Budapest | part open to the public |
| Abaligeti Cave | 1.8 km | | Mecsek | part open to the public |
| Naszály Ponor Cave | 1.5 km | 171 m | Naszály Hill, near Vác and Budapest | intermittent stream cave |
| Meteor Cave | 1.5 km | | Alsó-hegy Plateau, Aggtelek Karst | |
| Kossuth Cave | 1.4 km | | Aggtelek Karst | |
| Dancza Cave | 1.4 km | | Aggtelek Karst | |
| Baradla Down Cave | 1.0 km | | Aggtelek Karst | |
| Diabáz Cave | 1 km | 153 m | Great Plateau, Bükk | SRT |
| Szirén Cave | 1 km | | Great Plateau, Bükk | |
| Vass Imre Cave | 1 km | | Aggtelek Karst | |
| Vecsem-bükk Pothole | 0.9 km | 236 m | Alsó-hegy Plateau, Aggtelek Karst | complicated shaft-system SRT |
| Jáspis Cave | 0.8 km | 190 m | Great Plateau, Bükk | SRT |
| Szabó-pallagi Pothole (Chasm of Owls) | 0.9 km | 151 m | Alsó-hegy Plateau, Aggtelek Karst | complicated shaft-system SRT |
