Worksheet.Name (Excel)
Devuelve o establece un valor de tipo String que representa el nombre del objeto.
' This macro sets today's date as the name for the current sheet
Sub NameWorksheetByDate()
'Changing the sheet name to today's date
ActiveSheet.Name = Format(Now(), "dd-mm-yyyy")
'Changing the sheet name to a value from a cell
ActiveSheet.Name = ActiveSheet.Range("A1").value
End Sub