Theodore Roosevelt (1858–1919) was the president of the United States from 1901 to 1909.
Theodore Roosevelt may also refer to:
Theodore Roosevelt Sr. (1831–1878), the president's father Theodore Roosevelt Jr. (1887–1944), the president's eldest son Theodore Roosevelt IV (1914–2001), the president's grandson Theodore Roosevelt V (born 1942), the president's great-grandson
See also
USS Theodore Roosevelt, several ships Theodore Roosevelt: An Autobiography, an autobiographical book by the President of the United States