On 12 December 2019, breaststroke swimmer and 2013 world bronze medalist Matti Mattsson was officially nominated to the Finnish roster for his third consecutive Games, with rookie Ida Hulkko (women's 100 m breaststroke) and eventual European champion Ari-Pekka Liukkonen (men's 50 m freestyle) achieving the A-standard to join Mattsson in the pool for the rescheduled Games.
