Shamsul Islam (or Samsul Islam), is an Arabic phrase meaning Sun of Islam. It may refer to

• Shamsul Islam Khan (died 2006), Bangladesh Nationalist Party politician and former Minister of Industries
• Shamsul Islam (politician) (1931–2018), Bangladesh Nationalist Party politician and former Minister of Information
• Samsul Islam (born 1957), Bangladesh Jamaat-e-Islami politician
• Shamsul Islam, Bangladeshi cricketer

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