Rahmatullah () is a Muslim name, meaning mercy of God. Notable people with the name include:
Given name 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 Rahmatu'lláh Muhájir (1923–1979), Iranian Bahá'í missionary 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 , Iranian politician Rehmatullah (cricketer) (born 1998), Pakistani cricketer Rehmatullah Khan, known as Rehmat Khan, Pakistani squash player and coach
Surname Mian Muhammad Rahmatullah (1940–2014), Bangladeshi presidential aide, and Chief of Public Works Departments Shahnaz Rahmatullah, Bangladeshi singer Shahzada Rehmatullah Khan Saddozai (1919–1992), Pakistani tribal leader and politician Yunus Rahmatullah (born 1982), Pakistani held on terrorist charges
See also Layton Rahmatulla Benevolent Trust, Pakistani eye-care charity