Güçlü is a Turkish surname. Notable people with the surname include:
Ayhan Güçlü (born 1990), Turkish football forward Dilaver Güçlü (born 1986), Turkish football midfielder Mehmet Güçlü (born 1952), Turkish wrestler Roza Güclü Hedin (born 1982), Swedish politician Sami Güçlü (born 1950), Turkish politician