Yes, absolutely there is ample evidence of a Warhammer 40k/Dune connection. Even a cursory look will reveal a number of similarities between Warhammer 40k and Dune that it's impossible to overlook them.
The Warhammer 40k/Dune Caveat
Warhammer 40k was inspired by a TON of different IPs--everything from Alien to Predator to Starship Troopers to the history…