All the leather pieces and holsters seen in the film were handmade to fit the actors attached to them. These pieces are seen the most on the villain - played by actor Matt Dallas.
The Mustanger and The Lady filmed in various places in Oklahoma, taking after other movies that filmed there as well; including Rain Man, Elizabethtown, Twister, August:Osage County, and To the Wonder with Ben Affleck and Rachel McAdams.
Actress Stef Dawson performed in Vietnamese theatrical productions while in Australia and would sing in Vietnamese on the set of The Mustanger and The Lady.
In the theater Painted Woman first opened, it out performed both Daddy's Home 2 (in its opening week) and Thor Ragnarok..
Painted Woman was honored for its diversity and its female lead in a western by Geena Davis's Bentonville Film Festival.