Ira Landrith (March 23, 1865 – October 11, 1941) was an American Presbyterian minister and temperance activist.

A known orator, Landrith was part of the Flying Squadron of America, which traveled the United States advocating for temperance.

[2] From 1893 to 1894 he served as the general secretary of the Religious Education Association and as general secretary of the Presbyterian Brotherhood of America from 1907 to 1909.

[3] In 1914, he became a member of the Flying Squadron of America and from 1915 to 1925 served as a lecturer for the Anti-Saloon League and World League Against Alcoholism.

On July 21, 1916, he was given the Prohibition Party's vice presidential nomination with the support of National Treasurer Herman P. Faris for the 1916 presidential election and in the general election he and Frank Hanly received 221,302 votes.