Ransom House may refer to the following buildings:

• James H. Ransom House, Ottawa, Kansas, listed on the National Register of Historic Places in Franklin County, Kansas
• Ransom House (Crittenden, Kentucky), listed on the National Register of Historic Places in Boone County, Kentucky
• Ransom House (Ennis, Texas), listed on the National Register of Historic Places in Ellis County, Texas

• Edward Ransom Farmstead, Livestock and Equipment Barn, Midway, Arkansas, listed on the National Register of Historic Places in White County, Arkansas
• RansomHouse, a hacking group specalising in extortion malware