I update the last published list of Ohio ants to include 26 new species records and 38 name changes in species already on the list based on literature records, institutional collections, and contemporary collections made by the author or colleagues. At present, 143 species and morphospecies representing 30 native and 5 exotic genera and 7 subfamilies have been recorded for the state. Another seven species are removed from the Ohio ant fauna as they represent distribution anomalies, or are based on erroneous records. Known distribution data suggest that there is still a considerable potential for the discovery of more ant taxa in Ohio.