Lyam von Doin-Heltharn
{{Character|
fgcolor=#fff|
bgcolor=#000|
| image=
| name=Lyam von Doin-Heltharn
| aliases=None
| gender= Male
| race=Damaran human
| parents=Borril von Doin-Heltharn, Caraline von Tyrell (deceased)
| dob=The Year of the Blazing Brand, 1334 DR
| occupation=Lord Prince, Earl of Lepberg, heir to the throne of Impiltur
| affiliations=The Empire of Impiltur
| siblings=Arutha von Doin-Heltharn, Carline von Doin-Heltharn
| spouse=None
| children=None
}}