Ohio is a proper noun and U.S. state name. In everyday speech it’s pronounced as a two-syllable name, typically [oʊˈhaɪ.oʊ], with primary stress on the second syllable and a reduced first syllable. The name blends a long, rounded /oʊ/ vowel with a high diphthong /aɪ/ and ends with a clear /oʊ/.
Full pronunciation guide
