Rahmatullah (Arabic: رحمة الله) is a male or female Muslim name and, in modern usage, surname, meaning mercy of God. It may refer to:

Males

• Rahmatullah Kairanawi (1818–1891), Indian Muslim scholar and author
• Shaikh Rahmatullah al-Farooq, name used by Rowland Allanson-Winn, 5th Baron Headley (1855–1935), Irish peer and convert to Islam
• Chaudhari Rehmatullah Aslam, known as C. R. Aslam (1913–2007), Pakistani politician
• Shahzada Rehmatullah Khan Saddozai (1919–1992), Pakistani tribal leader and politician
• Rahmatu'lláh Muhájir (1923-1979), Iranian Bahá'í missionary
• Mian Muhammad Rahmatullah (born 1940), Presidential aide, and Chief of Public Works Departments of Bangladesh
• Rahmatullah Safi (born 1948), Afghan military officer listed as the Taliban's European ambassador
• Sayed Rahmatullah Hashemi (born 1978), roving Taliban ambassador, who accepted a scholarship to attend Yale University
• Rahmatullo Fuzailov (born 1978), Tajik footballer
• Rahmatullah Rahmat, Afghan provincial governor
• Rahmatullah Raufi, Afghan provincial governor
• Rahmatullo Zoirov, Tajik politician
• Rahmatullah Hanefi, Afghan human rights worker, who secured the release of Italian hostages, arrested by Afghan authorities
• Rahmatollah Khosravi, Iranian politician
• Rahmatollah Moghaddam Maraghei, Iranian politician
• Rahmatallah Firouzi Pourbadi, Iranian politician
• Rahmatollah Hafezi, Iranian politician
• Rehmatullah (cricketer) (born 1998), Pakistani cricketer
• Rehmatullah Khan, known as Rehmat Khan, Pakistani squash player and coach
• Yunus Rahmatullah (born 1982), Pakistani arrested in Iraq by British forces in 2004 and then rendered to a US prison in Afghanistan where he was secretly held without charge or trial for at least seven years
  • Secretary of State for Foreign and Commonwealth Affairs v Rahmatullah, a UK Supreme Court case relating to Yunus Rahmatullah

Females

• Shahnaz Rahmatullah, Bangladeshi singer

Other uses

• Layton Rahmatulla Benevolent Trust, Pakistani eye-care charity