Derrel \d(er)-rel\ as a boy's name is a variant of Darrel (Old English, Old French), and the meaning of Derrel is "open, from Airelle". The baby name Derrel sounds like Derril, Derrell, Derryl, Dorrel and Terrel. Other similar baby names are Derren, Derrek, Ferrel, Jerrel and Merrel.