Josep Lluís Trapero Álvarez (Badalona, 1965) is the current Mossos d'Esquadra Major, the highest rank in the Catalan Police.

During his childhood he lived in the working-class neighbourhood of La Guinardera in Santa Coloma de Gramanet, close to Barcelona.

In 2006 Trapero graduated in law from the Open University of Catalonia and later on obtained a postdegree in Direction and Management of Public Security.

In 2012 he travelled to an FBI academy in Quantico, United States, where he participated in the Latin American Law Enforcement Executive Development Seminar (LALEEDS).

[15] In April 2018, judge Carmen Lamela closed the instruction and ordered the prosecution of Trapero, Pere Soler and number two of Joaquim Forn, Cèsar Puig, as well as of the mayor Teresa Laplana, charged for sedition.

Subsequently, on 12 November 2020, he was restored by the Catalan Minister of Interior Miquel Sàmper to his former post of Major of the Mossos d'Esquadra.