Eltaj Safarli (; born 18 May 1992 in Baku) is an Azerbaijani chess Grandmaster. In October 2016, he reached his all-time-highest rating of, 2694 and was ranked as No. 3 in Azerbaijan and No. 46 in the world.
He entered tournaments from the age of 6, with modest success. Safarli won the Azerbaijan Championships in 2010 and 2016. He won the under 10 World Youth Chess Championship in Heraklion in 2002.
Safarli played in the silver medal-winning Azerbaijani team at the European Team Chess Championship in Porto Carras in 2011, alongside Shakhriyar Mamedyarov, Teimour Radjabov, Vugar Gashimov and Qadir Huseynov.
In 2024 he married the German women grandmaster Josefine Heinemann.