Dubbin (also known as “dubbing” in the USA) is a traditional product used to soften, condition and waterproof leather. It consists of natural wax, oil and tallow. Dubbin has been used since medieval times to waterproof and soften leather goods. It is different from saddle soap used to clean and lightly condition leather, or shoe polish, which is used to impart shine and colour to it.

Dubbin can be made with beeswax; fish oil; and lard, and can also include mink oil.

The name dubbin is a contraction of the gerund dubbing, describing the action of applying the wax to leather.