There are nine nature and two cultural strict reserves in the national parks, and two strict nature reserves in Aukštaitija National Park (Ažvinčiai Old Forest and Balčiai). Three strict nature reserves are in Dzūkija National Park (Skroblus, Musteika and Povilnis) and two strict nature reserves are in the Curonian Spit National Park (Grobštas and Nagliai). Two strict cultural reserves are present in Trakai Historical National Park (Trakai Island and Peninsula Castles and the Old Trakai castle site). Žemaitija National Park has two strict nature reserves (Plokštinė and Rukundžiai).
A total of 24 strict nature reserves are present in the regional parks and 3 in the Žuvintas biosphere reserve.
| Title | Area, ha |
|---|---|
| Azvinciai (Gerveciai Sengire) Strict Nature Reserve (1997-04-28) | 690,5 |
| Baltis Strict Nature Reserve (1997-04-28) | 147,7 |
| Budragaidis Strict Nature Reserve (1998-12-17) | 65,5 |
| Buktbale Strict Nature Reserve (2002-11-19) | 97,4 |
| Drausgiris Strict Nature Reserve (1996-04-11) | 205,1 |
| Dukstai Strict Nature Reserve (1996-04-11) | 35,8 |
| Girutiskis Strict Nature Reserve (1996-04-11) | 1402,4 |
| Grobstas Strict Nature Reserve (1994-12-19) | 277,3 |
| Grybingiris Strict Nature Reserve (1996-04-11) | 372,1 |
| Kalnai Strict Nature Reserve (1998-12-10) | 64,8 |
| Kiauneliskis Strict Nature Reserve (1996-04-11) | 282,9 |
| Liubelis Strict Nature Reserve (1995-02-15) | 53,3 |
| Liukstyne Strict Nature Reserve (2002-11-19) | 41,7 |
| Liunelis Strict Nature Reserve (1995-02-15) | 34,1 |
| Hunting (Medžioklė) Swamp Strict Nature Reserve (2001-11-07) | 270,6 |
| Mergiskes Strict Nature Reserve (1996-04-11) | 156,4 |
| Minija Strict Nature Reserve (1995-02-15) | 114,6 |
| Musteika Strict Nature Reserve (1997-04-29) | 216,9 |
| Nagliai Strict Nature Reserve (1994-12-19) | 1669,0 |
| Nemunas Front Delta Strict Nature Reserve (1995-02-15) | 2406,8 |
| Obelyte Strict Nature Reserve (1995-02-15) | 60,8 |
| Plaze Strict Nature Reserve (1997-03-17) | 228,4 |
| Plokstine Strict Nature Reserve (1997-04-28) | 844,6 |
| Povilnis Strict Nature Reserve (1997-04-29) | 183,2 |
| Punia Pinewood Strict Nature Reserve (1997-03-17) | 2237,1 |
| Purviai Strict Nature Reserve (1995-02-15) | 108,7 |
| Rukundziai Strict Nature Reserve (1997-04-28) | 382,0 |
| Šakymas Strict Nature Reserve (1996-04-11) | 141,4 |
| Old Trakai Castle Strict Cultural Reserve (1993-12-06) | 16,3 |
| Skaistis Strict Nature Reserve (1995-02-15) | 18,4 |
| Skroblas Strict Nature Reserve (1997-04-29) | 1597,9 |
| Stervas Strict Nature Reserve (1996-04-11) | 760,4 |
| Trakas Strict Nature Reserve (2001-11-07) | 49,7 |
| Trakai Island and Peninsula Castle Strict Cultural Reserve (1993-12-06) | 26,0 |
| Uzpelkiai Strict Nature Reserve (2006-05-05) | 257,2 |
| Velniaravis Strict Nature Reserve (2001-11-07) | 71,3 |
| Vosyna Strict Nature Reserve (1996-04-11) | 197,9 |
| Zuvintas Strict Nature Reserve (2002-11-19) | 6062,6 |
