Only if you do it manually, which means you will have to overwrite all your current files (EXCEPT the wp-content directory! manually with an older version.
You can download older versions of WordPress here: http://ww.wp.xz.cn/download/release-archive/
Needless to say it is NOT recommended to use older versions. If your system is not up-to-date, plugins and themes may not work properly, and security will also not be optimal.
