Poku is a surname. Notable people with the surname include

• Ernest Owusu-Poku, Ghanaian police officer
• Fritz Kwabena Poku, Ghanaian diplomat
• Godfrey Poku (born 1990), English footballer
• Kwadwo Poku (born 1985), Ghanaian footballer
• Kwadwo Poku (born 1992), Ghanaian footballer
• Kwame Sanaa-Poku Jantuah (1922–2011), Ghanaian politician and diplomat
• Nana Poku (born 1988), Ghanaian footballer

• Haihai
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• Hai Hau
• Haihaya
• Haih Or Amortcedor
• Haih Or Amortecedor
• Haihte Range
• Haihud Hahaklai
• Haije Kramer
• Haijiao qi hao
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• Hai Jiao Qi Hao
• Haijima Line
• Haijima Station
• Hai jin
• Haijo Apotheker
• Haikai no renga
• Haikai-renga
• Haikai renga
• Haikal
• Haikang Investment Limited
• Haikashen
• Haikasoru
• Haika Soru
• Haikavan