Jonathan Winter (born 18 August 1971 in Masterton) is a former backstroke swimmer from New Zealand, who competed at the 1996 Summer Olympics in Atlanta, United States.
At the 1995 FINA World SC Championships in Rio de Janeiro, Brazil he won the gold medal with the men's 4 × 100 medley relay team.
Winter won four consecutive backstroke categories at the Oceania Grand Prix (1993, 94, 95 and 96) and represented his country in all strokes and individual medley.
Winter retired in 1998 but made a comeback in 2002 at the Manchester Commonwealth Games, and placed 6th in 50 butterfly, and became the oldest male to win a national title in the 50 freestyle aged 31 years and seven months.
Winter moved to Hastings in 1998 and formed Heretaunga Sundevils who became hugely successful during the early to mid 2000s.