The short answer is maybe, if using full spectrum CBD or CBD that’s produced from Cannabis Sativa or Cannabis Indica which are Marijuana Strains. The 0.3 trace amount of THC is a legal level but some workplaces still prohibit its usage, so this is a valid question. CBD itself would not show up on a drug test, that much is certain. There are options such as CBD Isolate which is the CBD molecule separated from the rest of the constituents and is 0% THC. Or of course Broad Spectrum Hemp Distillate which contains CBD,CBG,CBN and CBC with noTHC.