Lyndsie \l(y)-nd-sie, lyn-dsie\ as a girl's name (also used as boy's name Lyndsie), is a variant of Lindsay (Old English) and Lyndsey (English), and the meaning of Lyndsie is "Lincoln's marsh; island of linden trees".

The baby name Lyndsie sounds like Lyndsay and Lindsee. Other similar baby names are Lindie, Lynndie, Lynde, Linsie, Lundie, Lyndi, Lyndee and Lynzie.