Olivier Diomandé (born April 26, 1974 in Lyon, France) is a French-born Ivorian rugby union player.
Diomandé played for Club Sportif Annonay (1992/93-1993/94), US Romans (1994/95-1996/97), Stade Français (1997/98), RC Nîmes (1998/99-1999/2000), Bègles-Bordeaux (2000/01-2001/02), Montpellier Hérault (2002/03-2007/08), Racing Métro 92 (2007/08-2009/10) and RC Nîmes, since 2010/11, at the Fédérale 2.
He won the Pro D2 with Montpellier Hérault, in 2002/03, and the European Challenge Cup, in 2004.
He plays for Côte d'Ivoire at international level.
This biographical article relating to Ivorian rugby union is a stub.