Catt's posthumous awards include a stamp was issued in 1948 in remembrance of the Seneca Falls Convention, featuring Catt, Elizabeth Cady Stanton, and Lucretia Mott. In 1975, Catt became the first inductee into the Iowa Women's Hall of Fame. and in 1982, Catt was inducted into the National Women's Hall of Fame. In 1992, the Iowa Centennial Memorial Foundation named her one of the ten most important women of the century, and in 2013, Catt was in the first class of women to be honored on the Women of Achievement Bridge in Des Moines, Iowa. On August 26, 2016 (Women's Equality Day), a monument commissioned by Tennessee Suffrage Monument, Inc. and sculpted by Alan LeQuire was unveiled in Centennial Park in Nashville, featuring depictions of Catt, Anne Dallas Dudley, Abby Crawford Milton, Juno Frankie Pierce, and Sue Shelton White. Catt was posthumously named an honoree to the National Women's History Alliance in 2020.