Jassiel is a Spanish-language spelling of Jasiel, a rare biblical name from the Hebrew Jaasiel, which means "God makes" or "made by God"; a warrior of that name appears among King David's men in the Books of Chronicles. The name is used mainly in Mexican American families. Jassiel moved from number 3050 in 2015 to number 1597 in 2023 and reaches number 1495 in 2025, its highest rank yet.