Max Ritvo (December 19, 1990 – August 23, 2016) was an American poet. Milkweed Editions posthumously published a full-length collection of his poems, Four Reincarnations, to positive critical reviews. Milkweed published Letters from Max (co-written with Sarah Ruhl) and a second collection of Ritvo's poems, The Final Voicemails, in September 2018.