Yes for the following widgetsets: gtk2, qt, carbon and wince
No for the following widgetset: win32/64
Depending on the system encoding for gtk1
For more details, read:
http://wiki.lazarus.freepascal.org/LCL_Unicode_SupportBasically we need people to help finishing Unicode support on the Win32/64 interface. Help and paches are very welcome =) The main guidelines are already defined and the initial part of the code done. We just need some people to write the rest.