Terbinafine hydrochloride (Lamisil in Australia, Belgium, Brazil, Canada, France, Germany, Hungary, Mexico, Romania, United Kingdom, and United States, also sold under the name Terbisil) is a synthetic allylamine antifungal. It is highly lipophilic in nature and tends to accumulate in skin, nails, and fatty tissues. As a generic it is sold under the name Zabel in Australia. It is now also available as a generic in the United States.

In India, Terbinafine hydrochloride is available in topical form under the brand name Sebifin (Ranbaxy Labs) and Zimig (GSK Pharma).