Cindy is a feminine given name, originally a diminutive (or hypocorism) of Cynthia, Lucinda, or Cinderella. It has evolved to be commonly used as a standalone name. The name can also be spelled in various forms such as Cindee, Cyndee, Syndee, Sindee, Sindi, Syndi, Syndy, Cindi, Cyndi, Cyndy, Cinny, and Sindy. From 1953 to 1973, it was among the top 100 most common female given names.