| Name |
Image |
Town/City |
Type |
Summary |
| 78 Derngate | | Northampton | Historic house | Renovated house with interiors by architect Charles Rennie Mackintosh, contemporary craft gallery |
| Abington Park Museum | | Northampton | Multiple | Local history, costumes, leather, Northamptonshire Regiment |
| Althorp | | Althorp | Historic house | Country estate with gardens and grounds, owned by Charles Spencer, 9th Earl Spencer, girlhood home of Diana, Princess of Wales |
| Boughton House |  | Kettering | Historic house | Estate home of the Duke of Buccleuch, with fine art, gardens |
| Burton Latimer Heritage Museum | | Burton Latimer | Local | website, operated by the Burton Latimer Heritage Society |
| The Canal Museum | | Stoke Bruerne | Canal | History of canals in Britain |
| Canons Ashby House |  | Canons Ashby | Historic house | Operated by the National Trust, Elizabethan manor house |
| Carpetbagger Aviation Museum | | Harrington | Aviation | History of RAF Harrington and the 801st Bombardment Group (Provisional) |
| Corby Heritage Centre | | Corby | Local | website |
| Cottesbrooke Hall | | Creaton | Historic house | 18th century Queen Anne-style house, gardens and park |
| Daventry Museum | | Daventry | Local | website |
| Deene Park | | Corby | Historic house | Medieval manor house with rooms from many periods, gardens |
| Desborough Heritage Centre | | Desborough | Local | website |
| East Carlton Park Steel Heritage Centre | | East Carlton | Local history | Features displays about local history and the development of the iron and steel industry in the town |
| Irchester Narrow Gauge Railway Museum | | Irchester | Railway | Steam and diesel locomotives, lifesize diorama of a quarry, industrial and railroad artifacts |
| Jeyes of Earls Barton Museums | | Earls Barton | Multiple | website, gift, teddy bear and doll house shop with coffee shop and several museums: Earls Barton Museum of Village Life, Jeyes Heritage & Pharmacy Museum, and a model funfair |
| Kelmarsh Hall | | Kelmarsh | Historic house | 18th-century manor house and gardens |
| Kettering Museum and Art Gallery | | Kettering | Multiple | website, includes the Manor House Museum with exhibits of local history and culture, and the Alfred East Art Gallery for local art |
| Kirby Hall |  | Northampton | Historic house | Operated by English Heritage, Elizabethan country house in a semi-ruined state with gardens |
| Lamport Hall |  | Lamport | Historic house | Tudor home and gardens; also includes Hannington Vintage Tractor Club and Museum with farm equipment |
| Long Buckby Museum | | Long Buckby | Local | website |
| Museum of Leathercraft | | Long Buckby | Fashion | website, located in the Abington Park Museum, development of leathercraft |
| Northampton Museum and Art Gallery | | Northampton | Multiple | Shoe collection, art, decorative arts, local history |
| Northamptonshire Ironstone Railway Trust | | Hunsbury Hill | Railway | Heritage railway and museum |
| Oundle Museum | | Oundle | Local history | website |
| Piddington Villa Museum | | Piddington | Archaeology | Artifacts and remains of a large Roman villa |
| Prebendal Manor House | | Nassington | Historic house | website |
| Rockingham Castle |  | Corby | Historic house | Former royal castle and hunting lodge with gardens, grounds |
| Rothwell Arts and Heritage Centre | | Rothwell | Multiple | website, local history, art |
| Rushden Museum | | Rushden | Local | website, local history especially the shoe industry |
| Rushden Transport Museum | | Rushden | Railway | Railway memorabilia, rolling stock, road transport vehicles |
| Southwick Hall | | Southwick | Historic house | website, medieval manor house, gardens, grounds |
| Sulgrave Manor | | Sulgrave | Historic house | Ancestral home of the family of George Washington, reflects Tudor through Georgian eras |
| Sywell Aviation Museum |  | Sywell | Aviation | Former World War II aerodrome with artifacts, recovered airplane wreckage, local aviation history |
| Wellingborough Museum | | Wellingborough | Local | website, local history, culture |
| Wollaston Museum | | Wollaston | Local | information, local history, culture, industry |