Koen Dillen (born July 29, 1962, in Mol) is a Belgian physician and politician of the New Flemish Alliance (N-VA) party who has served as a Member of the Flemish Parliament for the Antwerp constituency and the Belgian Senate since 2024.
He then worked as a public general practitioner in Mol and as a physician at a mental hospital.
Dillen is a member of the Antwerp chapter of the Domus Medica organization.
[1] After being a member of the Volksunie as a teenager, Dillen joined the New Flemish Alliance in 2008.
[2] During the 2024 Belgian regional elections, Dillen was elected to the Flemish Parliament for the Antwerp list and was designated as a community senator in the Belgian Senate.