The 2012 NACAC Under-23 Championships in Athletics were held at the Centro Paralímpico Nacional in Irapuato, Mexico from 6 to 8 July. It was the seventh edition of the biennial athletics competition for NACAC area athletes under 23 years of age. A total of 44 track and field events were contested, divided evenly between the sexes. It was the third time that Mexico had hosted the event, having done so in 2000 and 2008.
Over 400 athletes from 23 nations competed at the championships. Eleven championship records were broken at the competition, with particularly strong performances in the sprint events. Jason Rogers equalled the 100 metres record while Auriyall Scott improved the women's time. Kimberlyn Duncan and Rebecca Alexander made it an American sweep of the women's sprints with two more records.
The United States was dominant at the competition, winning all but five of the women's titles. Mexico managed five gold medals and Canada had the third most wins with four golds. Sixteen nations reached the medal table
