Antoniya is of Bulgarian origin, meaning 'incomparable' or 'priceless'. It's a feminine form of Antony, which derives from the Roman family name Antonius, itself believed to be derived from the Latin word 'antius', meaning 'priceless' or 'of great price'. Antoniya is not a common name in many English-speaking countries but holds cultural significance in Bulgaria and other Slavic nations. It's often associated with intelligence, independence, and uniqueness.
"Antoniya's popularity peaked briefly in the early 2000s with a high of 8 births in both 2003 and 2005, but has since declined, with only 5 births recorded in 2012."