2008 WTA Tour Championships

The 2008 WTA Tour Championships was the end-of-year WTA Tour championship. The top 16 women on the 2008 WTA Tour qualified to participate.
==Singles==
Justine Henin-Hardenne was the defending champion, but retired from professional tennis on May 14, 2008. Venus Williams won her fifth title, defeating Agnieska Radwańska 4-6, 7-5, 6-2 in the final.
===Seeds===
==Draw==
==Doubles==