UFC 66: Liddell vs. Ortiz was a mixed martial arts event held by the Ultimate Fighting Championship on December 30, 2006. UFC 66's main event was a championship fight with two of the UFC's biggest light heavyweight stars, Light Heavyweight Champion Chuck Liddell defending his title against former champion Tito Ortiz.
| Release Date | December 30, 2006 | |
|---|---|---|
| Status | Released | |
| Original Title | UFC 66: Liddell vs. Ortiz | |
| Runtime | — | |
| Budget | — | |
| Revenue | — | |
| Language | — | |
| Original Language | English | |
| Production Countries | — | |
| Production Companies | ||