A novel canola variety designated G00112 and seed, plants and plant parts thereof. Methods for producing a canola plant that comprise crossing canola variety G00112 with another canola plant. Methods for producing a canola plant containing in its genetic material one or more traits introgressed into G00112 through backcross conversion and/or transformation, and to the canola seed, plant and plant part produced thereby. Hybrid canola seed, plant or plant part produced by crossing the canola variety G00112 or a locus conversion of G00112 with another canola variety.