Zharmakhan Aytbayuli Tuyakbay (Kazakh: ???????? ????????? ??????? Jarmahan Aitbaiuly Tuiaqbai; Russian: ???????? ????????? ??????? Žarmaxan Ajtbaevic Tujakbaj; born on 22 November 1947 in South Kazakhstan Province of the Kazakh Soviet Socialist Republic of the Soviet Union) is a former Kazakh politician.
He was Chairman of the Nationwide Social Democratic Party and For a Just Kazakhstan political movement.
Some analysts considered Tuyakbay the most significant challenger to the former President of Kazakhstan Nursultan Nazarbayev in the 2005 Kazakh presidential election.