Kállai is a surname. Notable people with the surname include:
Ákos Kállai (born 1974), Hungarian modern pentathlete Ernő Kállai (1890–1954), Hungarian art critic Ferenc Kállai (1925–2010), Hungarian film actor Gábor Kállai (1959–2021), Hungarian chess grandmaster Gyula Kállai (1910–1996), Hungarian politician Kevin Kállai (born 2002), Hungarian footballer, brother of Zalán Lipót Kállai (1912–1989), Hungarian footballer Mária Kállai (born 1957), Hungarian politician Norbert Kállai (born 1984), Hungarian footballer Zalán Kállai (born 2004), Hungarian footballer Zoltán Kállai (born 1984), Hungarian artistic gymnast
See also Kállay Kallai (disambiguation)