Yes. Several brands offer dairy-free brownie mixes. Ghirardelli has a dark chocolate brownie mix that is dairy free, as well as Pillsbury, Betty Crocker's Dark Chocolate Brownie Mix, Duncan Hines Dark Chocolate Fudge Brownie Mix, Krusteaz, and Bob's Red Mill. Make sure to read the ingredient list on the back to be safe, and check for cross-contamination labels if necessary.