The present invention addresses the problem of providing a monoterpene glycosyltransferase originating from hop and a method for producing a monoterpene glycoside using the enzyme. Provided are a monoterpene glycosyltransferase originating from hop and a method for producing a monoterpene glycoside using the enzyme. Also provided are a transformant having a monoterpene glycosyltransferase gene originating from hop, said gene having been transferred thereinto, and a method for producing the transformant.