Khalil-ur-Rehman or Khalilur Rahman () is a male Muslim given name, meaning friend of the Most Gracious. Notable bearers of the name include:
- Khalilur Rahman Saharanpuri (died 1936), Indian Islamic scholar
- Syed Khalil-ur-Rehman (1904âÂÂ1972), Pakistani defence chief
- Mir Khalil-ur-Rehman (1927âÂÂ1992), Pakistani newspaper editor
- Khalilur Rahman (general) (1927âÂÂ2009), Bangladeshi army general
- Khaleel-Ur-Rehman Azmi (1927âÂÂ1978), Indian Urdu poet and literary critic
- Khalilur Rehman (governor) (born 1934), commander in the Pakistan Navy and governor of province
- Khalil ur Rahman (politician) (1936âÂÂ2011), Hyderabadi politician
- Khalil-ur-Rehman Ramday (born 1945), Pakistani judge
- Khalilur Rahman Chowdhury (Bangladeshi politician) (1947âÂÂ2013), Bangladeshi politician
- Khalilur Rahman Babar (1952âÂÂ2019), Bangladeshi actor
- Khalilur Rahman Chowdhury (Indian politician) (born 1954), Assam politician
- Syed Khalil-ur-Rahman Sajjad Nomani (born 1955), Indian Islamic scholar
- Khalil-ur-Rehman Qamar (born 1956), Pakistani television playwright
- Khalilur Rahaman (born 1960), West Bengal politician
- Khalil-ur-Rehman (politician) (born 1988), Pakistani politician
- Khalilur Rahman (diplomat), Bangladeshi diplomat and medical doctor
- Khalilur Rahman (Khulna politician), Bangladeshi professor and politician
- Khalilur Rahman (economist), Bangladeshi economist
- Abu Yusuf Mohammad Khalilur Rahman, Bangladeshi parliamentary whip and politician