Erik A. N. Derycke (born 28 October 1949) is a Flemish socialist politician, lawyer, former minister and an emeritus judge at the Constitutional Court of Belgium.

Derycke was awarded a licence in law by the Ghent University in 1972.

With the Flemish socialists (today Flemish social-democratic party) he was a municipal council member in Waregem (1988–2001), member of the provincial council of West Flanders (1978–1984), and a member of the Federal Parliament (1984–2001).

Within the first cabinet of Jean-Luc Dehaene he was state secretary for development cooperation (1991-1995).

He left politics upon being appointed to the then Belgian Court of Arbitration on 10 August 2001.