Viktor Ihorovych Lonskyy (; born 27 October 1995) is a Ukrainian athlete specialising in the high jump.
Lonskyy won a bronze at the 2017 European U23 Championships.
His personal bests in the event are 2.28 metres outdoors (Kropyvnytskiy 2017) and 2.28 metres indoors (Minsk 2017).