Yoel Aloni (Hebrew: ???? ??????; born 30 September 1937) is an Israeli chess master and problemist.
He is the twin brother of Hillel Aloni (1937-2017).
He played twice for Israel in Chess Olympiads.
In 1964, at fourth board in 16th Chess Olympiad in Tel Aviv (+4 –6 =4);
In 1966, at first reserve board in 17th Chess Olympiad in Havana (+8 –1 =2).He took 4th in Israel Chess Solving Championship at Tel Aviv 2005 (Ram Soffer won).
He took 53rd in the 29th World Chess Solving Championship at Eretria 2005 (Piotr Murdzia won).