Dayanna is a Spanish-American spelling of Diana, the Roman goddess of the moon and the hunt, whose name goes back to an Indo-European root meaning "divine" or "heavenly". The phonetic spelling with y and doubled n is popular in Latino families, alongside Dayana and Dianna. Dayanna stood at number 2019 in 2000, peaked at number 1244 in 2009, was number 1405 in 2015 and ranks 1811 in 2025.