Dorjana Širola (born 9 June 1972) is a Croatian quizzer, linguist, anglicist and software tester.

She has been the highest placed woman at the World Quizzing Championship from 2005 to 2011, and again from 2013 to 2018 (losing out in 2012 to Anne Hegerty), with seven overall top 20 finishes during this period.

At the European Quizzing Championships she has won Gold (2017), three Silvers (2011, 2012, 2018) and two Bronzes (2014, 2015) with her club "Europalia" (Derk de Graaf (Belgium/Netherlands), Thomas Kolåsæter (Norway), Holger Waldenberger (Germany)),[5] as well as a Bronze in Pairs with Holger Waldenberger (2012).

in General Linguistics and English Language and Literature from the University of Zagreb in 1996; her M.Phil.

in English and Applied Linguistics from the University of Cambridge, Trinity Hall in 1998 ; her D.Phil.