Janiel \j(a)-niel\ as a girl's name is a variant of Ja- (American). See for meaning of Janiel.
The baby name Janiel sounds like Jannel and Janel. Other similar baby names are Janie, Daniele, Daniela, Fauniel, Janine, Janina, Janika, Janielle, Jael, Jayil, Jayel, Janne, Jannie, Janica, Janae, Janea, Janaeh, Janaea, Jane, Jonie, Jenie, Jeanie, Jaynie, Janney, Janit, Janise, Janis, Janice, Jania, Janey, Janet, Janee, Janela, Janeen, Janiella, Janely, Janell, Jannet, Janiss, Janiece, Jeriel, Joanie, Janita and Junel.