Preface on the Second Workshop on Evaluation of Human Language Technologies for Iberian Languages (IberEval 2017) IberEval workshop aiming at encouraging and promoting the development of Human Language Technologies (HLT) for Iberian Languages (Spanish, Por- tuguese, Catalan, Basque and Galician), by creating series of evaluation and a discussion forum about Natural Language Processing systems on an ongoing basis. IberEval 2017 is held together with the XXXIII Congreso Internacional de la Sociedad Espaola para el Procesamiento del Lenguaje Natural (SEPLN 2017) in Murcia, Spain, on the 19th of Sep, 2017. It includes the following five tracks: • Biomedical Abbreviation Recognition and Resolution (BARR). This track has the aim to promote the development and evaluation of biomedical abbreviation identification systems. • Classification Of Spanish Election Tweets (COSET). The aim of this track is to classify a corpus of political tweets in 5 categories of classification. • Collective Elaboration of a Coreference Annotated Corpus for Portuguese Texts (Corref-PT). The general objective of the task is a collective elabo- ration of a Portuguese annotated corpora for nominal coreference in texts. • Multilingual Web Person Name Disambiguation (M-WePNaD). The ob- jective of this task is the disambiguation of person names from web search results, taking into account its multilingual nature. • Stance and Gender detection in tweets on Catalan Independence (Stance- Cat). The aim of this task is to detect the author’s gender and stance with respect to the target “independence of Catalonia” in tweets written in Spanish and/or Catalan. The 2017 edition of IberEval has had a high participation, in total 43 par- ticipants shared out the different tracks. Sep 2017 Raquel Martı́nez Julio Gonzalo Paolo Rosso Soto Montalvo Jorge Carrillo-de-Albornoz