Isaac Heeney (born 5 May 1996) is a professional Australian rules footballer playing with the Sydney Swans in the Australian Football League.
Heeney made his debut for Sydney at ANZ Stadium against Essendon in Round 1 of the 2015 season. He kicked his first AFL goal, which was also the match-winning goal and last in the match, late in the final quarter as the Swans came from 41 points down in the third quarter to win by 12 points. Following a 4-goal performance at the Sydney Cricket Ground in round 3, Heeney picked up an AFL Rising Star nomination as the Swans got off to an unbeaten start in the 2015 season.