Louis De Grève (17 October 1929 – 12 May 2021) was a Belgian politician.
[1] De Grève held a doctorate of law before becoming a politician.
He then sat on the Flemish Council from 21 October 1980 to September 1984, chairing his party's faction for the majority of his term.
De Grève was appointed a judge to the Constitutional Court, where he remained until 16 October 1999.
On 14 September 1993, he succeeded Fernand Debaedts [nl] as chairman of the Dutch-speaking group on the Court.