Juan Antonio Ramírez Sunyer (9 September 1947 – 4 November 2018) was a Spanish judge and engineer.
After passing through the courts of Terrassa, Sant Boi de Llobregat and Badalona, since 2003 he was in charge of the Court of Instruction number 13 of Barcelona.
He issued controversial orders of provisional detention against the squatting movement and anti-establishment groups.