Kanye West and Bianca Censori are getting full-throated support in their fight against Adidas … as a Paris Fashion Week crowd rallies for their cause.

As Ye and Bianca left The Ritz Wednesday for a lunch break, they were quickly swarmed by fans and photogs outside the hotel … some of whom began chanting “F*** Adidas” in unison.

The profane chant clearly got a rise out of the couple as they both cracked smiles of approval — well, it seems like Ye was smiling. Hard to tell, really, with the full mask over his face and head!

Kanye was especially pumped up … he encouraged the crowd to chant louder, and grabbed an autograph seeker’s copy of his 2010 classic album “My Beautiful Dark Twisted Fantasy” and signed the words “F*** ADIDAS” in black marker!!!

Earlier in the week, Kanye went hard at Adidas, accusing them of raping his fashion sense by selling Yeezy sneakers he never greenlit.

Spicy words, but his fans — at least in Paris — are riding with him!!!

The head-turning couple continues pushing boundaries at Fashion Week events — Bianca popped out Tuesday night basically bottomless with only sheer pantyhose to cover her hoo-ha.

They definitely got some folks in Paris going gorillas this week!