Neku may refer to:

• Neku language, an Oceanic language of New Caledonia.
• Neku Sakuraba, a fictional character in The World Ends With You
• Neku Siyar ({{circa}}1671–1723), claimant to the throne of India
• Neku Atawodi (b. 1987), Nigerian polo player
• Hemistomia neku, a species of freshwater snail

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