Justyne is of Latin origin, derived from the masculine name Justinus. It means 'just' or 'fair'. This name has been predominantly used as a female name in recent years.
The name Justyne experienced a notable increase in popularity during the late 1980s to mid-1990s, with a peak of 32 births in 1994. However, its usage has significantly declined since then, with fewer than 10 births per year from 2007 onwards, and consistently five or fewer births annually between 2014 and 2018.