Aleksei Ganiuk (born 2 August 1999) is a Russian para swimmer who represented Neutral Paralympic Athletes at the 2024 Summer Paralympics.
Ganiuk represented Neutral Paralympic Athletes at the 2024 Summer Paralympics. In September 2025, he competed at the 2025 World Para Swimming Championships and won bronze medals in the 400 metre freestyle S7 and 200 metre individual medley SM7 events.