John Tarkong, Jr. (born December 7, 1965, in Washington, District of Columbia, United States) is a retired amateur Palauan Greco-Roman wrestler, who competed in the men's heavyweight category.

[1] Tarkong represented Palau at the 2004 Summer Olympics, where he became the nation's flag bearer in the opening ceremony.

[2] During his sporting career, he has been training for the Palauan Amateur Wrestling Federation under his personal coach Lee Joong-Sub.

Tarkong qualified for the Palauan squad, as a 38-year-old, in the men's 96 kg class at the 2004 Summer Olympics in Athens by receiving a berth from the Olympic Qualifying Tournament in Tashkent, Uzbekistan.

[3] He received two straight losses due to technical superiority and no classification points in a preliminary pool match against Kyrgyzstan's Gennady Chkhaidze and Bulgaria's Kaloyan Dinchev, finishing twentieth overall out of twenty-two wrestlers.