Katie Kehm Smith (1868 – 18 September 1895)[1][2] was an American freethought lecturer and organizer.[3][2] In Samuel Porter Putnam's 400 Years of Freethought, published a year before her death, Putnam described Smith as "Probably the youngest prominent lecturer in the Freethought ranks".[3] She initiated the First Secular Church of Portland, followed by its Secular Sunday School.[3][4]