Katina is an uninhabited Croatian island in the Adriatic Sea located between Dugi Otok to the north and Kornat to the south. Its area is 1.17km2. Katina is separated from Dugi otok by a 100m wide and barely 2m deep channel Mala Proversa. On the south side of the island is Vela Proversa channel, about 500m wide and suitable for navigation, which separates Katina from Kornat. It is a part of the nature park Telašćica.
