The Union Max Championship (Japanese: ユニオンMAX王座, Hepburn: Yunion Makkusu Ōza) is a professional wrestling championship and the top singles accomplishment in the Japanese promotion Pro-Wrestling Basara.

Union Pro Wrestling was a promotion that was revived by DDT Pro-Wrestling in 2005.

The Union Max Championship was established in 2013 when Ivan Markov defeated Shuji Ishikawa to become the inaugural champion.

[1] In January 2016, three days after folding, Union was replaced by a new promotion named Pro-Wrestling Basara.

[2] The original belt design is still used which bears the "Union" name on it.