Janny \j(an)-ny\ as a girl's name is a variant of Jana (Hebrew) and Jane (Hebrew), and the meaning of Janny is "God is gracious".

The baby name Janny sounds like Jenny, Jinny, Janne, Janna, Jann, Janay, Jany, Janney and Janey. Other similar baby names are Lanny, Nanny, Hanny, Danny, Fanny, Jandy and Sanny.