Antal Jancsó (28 October 1934 – 3 March 2023) was a Hungarian tennis player.

[3] Active on tour in the 1950s, Jancsó participated in Hungary's 1953 and 1954 Davis Cup campaigns.

He won the Hungarian national doubles championship in 1956 with József Asbóth.

[4] He made the singles round of 16 at the 1958 French Championships, beating Bobby Wilson and Naresh Kumar en route.

At the 1958 Italian Championships he partnered with Kurt Nielsen to win the doubles title.