Tristyn \t-rist-yn, tr(is)-tyn\ as a boy's name (also used as girl's name Tristyn), is a variant of Tristan (Celtic). See for meaning of Tristyn.
The baby name Tristyn sounds like Triston, Tristin and Tristen. Other similar baby names are Criston, Cristen, Kristan, Wriston, Trystan, Tristian and Tristam.