Kelsey Lauren Wog (born September 19, 1998) is a Canadian breaststroke swimmer. She won a silver medal in the 200 m breaststroke at the 2016 FINA World Swimming Championships (25 m). At the 2016 Junior Pan Pacific Swimming Championships in Maui, Wog captured two individual medals. She earned silver in the 200-m breaststroke and bronze in the 100-m breaststroke. She also contributed to a silver medal in the 4×100-m medley relay with teammates Danielle Hanus, Rebecca Smith and Sarah Darcel.