Lindley Miller Garrison (November 28, 1864 – October 19, 1932) was an American lawyer from New Jersey who served as Secretary of War under U.S. President Woodrow Wilson between 1913 and 1916.

His brother was Charles G. Garrison, an associate justice of the New Jersey Supreme Court[1] He attended public schools and the Protestant Episcopal Academy in Philadelphia, Pennsylvania.

He studied at Phillips Exeter Academy for one year before attending Harvard University as a special student from 1884 to 1885.

He practiced law in Camden from 1888 to 1898 and became a partner in the firm of Garrison, McManus & Enright in Jersey City in 1899.

Garrison's proposal would establish a standing army of 140,000 and a national, volunteer reserve force of 400,000 men.