Lotty \l(ot)-ty\ as a girl's name is a variant of Charlotte (Old German) and Lottie, and the meaning of Lotty is "free man".

The baby name Lotty sounds like Letty, Lotti, Lotte, Lotta and Lottey. Other similar baby names are Dotty, Netty, Betty, Kitty, Dottey, Tetty, Hetty, Etty, Hatty, Lottee, Lory, Lorry, Lorey, Lolly, Letta, Lotie, Lotus, Lovey, Matty, Hitty, Natty and Patty.