The acting president of the Republic of Kazakhstan (Kazakh: Қазақстан Республикасы Президентінің міндетін атқарушы, romanized: Qazaqstan Respublikasy Prezidentınıñ mındetın atqaruşy; Russian: Исполняющий обязанности Президента Республики Казахстан) is a temporary post provided by the Constitution of Kazakhstan.

This role is assumed by an individual who fulfills the duties of the president of Kazakhstan in cases of incapacity or vacancy.

This constitutional provision serves as the authoritative reference for the temporary role of the acting president in the Republic of Kazakhstan.

The Acting President's authority was limited, prohibiting actions such as dissolving the Parliament, terminating the powers of the Government, calling a republican referendum, or proposing constitutional changes.

[10][11] Subsequently, Tokayev was officially sworn in as the second president of Kazakhstan on 12 June 2019 after winning the snap vote that year.