Krishna Singh may refer to:

• Krishna Singh Rawat, 19th-century Indian cartographer
• Krishna Singh (politician) (1867–1961), Indian politician from Bihar
• Krishna Pal Singh (1922–1999), Indian politician from Madhya Pradesh
• Hari Krishna Singh, Indian politician from Madhya Pradesh
• S. K. Singh (general), former Vice Chief of the Indian Army
• Krishna Singh (golfer), Fijian golfer

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