Princess Ida Matilda Adelaide of Schaumburg-Lippe (Bückeburg, 28 July 1852 – Schleiz, 28 September 1891) was the consort of Heinrich XXII, Prince Reuss of Greiz from 1872 until her death.
She was the mother of Hermine Reuss of Greiz, second wife of Wilhelm II, the last German Emperor.