Sinclair House

Sinclair House may refer to:


 * Upton Sinclair House, Monrovia, California, listed on the National Register of Historic Places (NRHP)
 * Reginald Sinclaire House, Larkspur, Colorado, NRHP-listed
 * Dr. Archibald Neil Sinclair House, Honolulu, Hawaii, NRHP-listed
 * T. M. Sinclair Mansion, Cedar Rapids, Iowa, NRHP-listed
 * Harry F. Sinclair House, New York, New York, NRHP-listed
 * Sinclair House (Manhattan hotel) (c.1787-1908), New York, New York