The word "okagawa" is a Japanese surname which is pronounced as /oʊkɑːˈɡɑːwə/. The IPA phonetic transcription explains the pronunciation of each syllable in the word. The first syllable "o" sounds like "oh", while the second syllable "ka" sounds like "kah". The third syllable "ga" sounds like "gah", and the fourth syllable "wa" sounds like "wah". The stress is on the second syllable "ka". When written in Japanese characters (kanji), "okagawa" is spelled as "岡川".