Ahmet Haluk Koç (born 3 October 1954) is a Turkish politician who serves as the spokesperson and deputy leader of the Republican People's Party (CHP) since 2012.

He was a Member of Parliament for Samsun between 2002 and 2015 and serves as an MP for Ankara's second electoral district as of 7 June 2015.

Born in Istanbul to a family originating from the Black Sea region of Turkey, Koç studied medicine at Ankara University and became a specialist concerning internal illnesses and hematology.

He has had an excess of 200 articles published worldwide and has served as the President of the Turkish Hematology Association.

In 2012, he was reappointed deputy leader, this time responsible for public policy and concurrently serves as the party's spokesperson.