Manpreet Singh can refer to:

• Manpreet Singh (boxer) (born 1985), Indian boxer
• Manpreet Singh (field hockey) (born 1992), Indian field hockey player
• Manpreet Singh (Italian cricketer) (born 1985), Italian cricketer
• Manpreet Singh (Singaporean cricketer) (born 1994), Singaporean cricketer

• T44 (disambiguation)
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• T4 DNA ligase
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• T4 On the Beach
• T4 rII system
• T4SS