Yona Melnik (Hebrew: יונה מלניק; born 27 May 1949) is an Israeli former judoka and current coach.

[3][4] He won the Israeli national championship in judo 12 times between 1968 and 1980 in the welterweight (below 70 kilograms) category, and twice in the open division.

[5][6] He competed for Israel at the 1976 Summer Olympics in Montréal, Québec, in the half-middleweight category, and tied for 19th place.

[2] Melnik subsequently coached the Israeli judo team, and opened a dojo in Petah Tikvah.

[7] He co-authored an April 2006 article in Strength & Conditioning Journal titled "The Ten-Station Judo Ability Test: A Test of Physical and Skill Components.