Yes: Catgirls exist in Warhammer 40k, Cat Girl

Felinid auxilia by a20t43c Warhammer fantasy, Warhammer 40k

When you hear about Felinids by Jchrispole on DeviantArt

warhammer 40k drawn by eccma417

Maniak Miniatures — maniakmonkey: Same catgirl, this time with

MRA artworks on X: Astra Militarum Felinid. I'm not used to paint

Winterguard CQB Veterans 9th Season - Australia

Kenyon Huppe - Playground

3D Printable Cyberpunk Catgirl - Firing Pose by Studio Sol Union

ArtStation - catgirl samurai

Neko Guard - Standard Infantry Kit 3D Print Model by deathscythe124