Lettee \l(et)-tee\ as a girl's name is a variant of Aleta (Greek), and the meaning of Lettee is "footloose".
The baby name Lettee sounds like Lettie and Lottee. Other similar baby names are Letty, Nettie, Bettie, Bette, Lottie, Lotte, Kittee, Lottey, Yettie, Hettie, Hette, Yette, Jette, Lethe, Leithe, Lettice, Letta, Letice, Leelee, Mette and Pattee.