Hillel \hi(l)-lel\ as a boy's name is of Hebrew origin, and the meaning of Hillel is "greatly praised". Sometimes used as homage to the first-century Jewish scholar Rabbi Hillel.
Baby names that sound like Hillel are Halliwell, Helliwell, Hallewell and Hallowell. Other similar baby names are Hiller, Hallen, Halley, Hallem, Halle, Heller, Hillery, Hill and Hillier.