Haf Llewelyn (born June 17, 1964) is a Welsh author and teacher. She has written over 30 books for children and adults.
Llewelyn was born and raised on a mountain farm in Cwm Nantcol, Ardudwy with her four siblings, [1] and she currently lives in Llanuwchllyn, near Bala. [2] She attended Ysgol Gynradd Llanbedr (primary school) and Ysgol Ardudwy (secondary school) in Harlech.
Llewelyn worked as a primary school teacher and on projects with Literature Wales. [3] She won the 2014 Tir na n-Og Award for her book Diffodd y Sêr, [4] about the Welsh poet Hedd Wyn. In 2009, she published Llwybrau, her first volume of poetry and in 2010, she published her first novel for adults, Y Graig. In 2025, Llewlyn served as an adjudicator for the Daniel Owen Memorial Medal at the National Eisteddfod of Wales. [5]