Vocabulary What does お客さん (おきゃくさん, okyakusan) mean? お客さん (おきゃくさん, okyakusan) means customer. Quick factsReadingおきゃくさんRomajiokyakusan お客さんおきゃくさんokyakusancustomer1customerWord breakdownお · 客 · さんKanji in this word客guest, customer