Jahlil is an American spelling of the Arabic name Jalil, which means "great" or "exalted"; al-Jalil, the Majestic, is one of the 99 names of God in Islam. The name has been used in African American families since the 1970s, often alongside Khalil and Jamal. In the United States Jahlil ranked number 1619 in 2000 and number 1517 in 2015 and 2016, but it has faded since and stood at number 2584 in 2025 with 51 boys.