Nabil Madi (born 9 June 1981) is an Algerian middle-distance runner who specializes in the 800 metres.

He also competed at the 2004 Olympic Games and the 2007 World Championships without reaching the final.

His personal best time is 1:44.54 minutes, achieved in July 2007 in Heusden-Zolder.

Nabil Madi is now athletics coach in Algeria working with middle-distance runner Slimane Moula.

This biographical article relating to Algerian athletics is a stub.