Ossama Meslek (born 8 January 1997) is an Italian middle-distance runner who specialises in the 1500 metres. He represented Italy at the 2024 Olympic games.
Meslek gained his first international experience in 2018 when he finished fifth at the U23 Mediterranean Championships in Jesolo in 3:55.04. The following year he reached eighth place at the 2019 European Athletics U23 Championships in Gävle in 3:51.97.
In 2019 Meslek was Italian indoor champion in the 3000 metres.