Silja Aðalsteinsdóttir, born in 1943, is a writer and translator. She has also worked as a teacher, critic, editor and journalist.

She received the Icelandic Literature Prize for her biography of the poet Guðmundur Böðvarsson, Skáldið sem sólin kyssti (The Poet Kissed by the Sun, 1994), and the Icelandic Translation Prize for the novel Wuthering Heights (2006) by Emily Brontë. She was also nominated for that award for her translation of the short story collection Dear Life by Nobel Laureate Alice Munro (2014).