In all the world, Tiby (Tiby 
, Тиби 
, Тибий 
) is a rare gender-neutral forename. The forename Tiby is habitual in Romania, where it is a rare boy's name, the Dominican Republic, and Colombia, where it is a very rare feminine name. Measured by absolute frequency, it is commonest in Romania, the Dominican Republic, and India. Likewise, Tiby is the last name as well as the forename.