Engin Altay (born 15 December 1963) is a Turkish politician from the Republican People's Party (CHP) who serves as a Member of Parliament for the electoral district of Sinop since the 2002. He was re-elected in 2007, 2011, June 2015 and November 2015. On 30 June 2011, Altay was elected as one of the three CHP parliamentary group leaders, serving alongside Muharrem İnce, Akif Hamzaçebi and later Levent Gök.