Cognomen Wankin (Wankin 
) , globally, is a very rare surname. The cognomen Wankin is habitual in Trinidad and Tobago, where it is quite a rare surname, France, where it is a very rare surname, and Honduras. Measured by absolute frequency, it is commonest in Trinidad and Tobago, Nigeria, and France. Likewise, Wankin is the forename as well as the last name.