Wilfried Karl Backhaus (7 November 1946 – 14 October 2009) was a role-playing game designer, business professor, and lawyer.

Wilf K. Backhaus and Edward E. Simbalist designed a role-playing game called Chevalier, which they brought to Gen Con IX in 1976 with hopes to sell it to TSR; after witnessing Gary Gygax berate a staff member, Simbalist decided not to approach Gygax about the game.

[1] Published in 1977, Chivalry & Sorcery (C&S) was an early competitor to Dungeons & Dragons.

[3]: 125 Backhaus founded the "Loyal Order of Chivalry & Sorcery" (Locs) and was a baron in the SCA.

Most recently he moderated a panel during a conference at University of Maryland, College Park and was a special guest at the Calgary Games Convention (CalCon).