Michael John Wilk (born c. 1952 in Chicopee, Massachusetts) is an American keyboardist, songwriter, and record producer best known for his contributions to John Kay & Steppenwolf. He has also worked with Boz Scaggs, Mick Fleetwood, Christine McVie, Billy Burnette, Phil Seymour, Danny Hutton, the Pointer Sisters, Tom Scott, and the actor Scott Baio. Working with Steve Cropper of Booker T. & the M.G.'s and the Blues Brothers, Wilk performed and recorded the music for the movie Satisfaction. Wilk also worked on the Pretty In Pink soundtrack and has worked on television commercials. He currently works in his recording studio in Portland, OR.
- Wilk – people with the surname Wilk