Zach Apple (born April 23, 1997) is an American swimmer.
He participated at the 2019 World Aquatics Championships held in Gwangju, South Korean, winning three medal – two gold and one bronze.
He won gold as part of the USA team in the men's 4 × 100 metre freestyle relay.
He was also part of the team in the mixed 4x100-meter freestyle relay, which they won in a world record time of 3 minutes, 19.40 seconds.